Nolan

Apache-Sitgreaves National Forests · Arizona · 6,780 acres · RoadlessArea Rule (2001)
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Description

The Nolan roadless area encompasses 6,780 acres on the Alpine Ranger District of the Apache-Sitgreaves National Forests, straddling Catron County, New Mexico, and Greenlee County, Arizona. The terrain is mountainous and montane, centered on named landforms including Noland Mountain, Maness Mountain, and Maness Peak, and dissected by deep drainage features: Dam Canyon, School House Canyon, Jones Canyon, Jackson Canyon, Swafford Canyon, Jackson Box, and Johnson Canyon. The area drains through Noland Creek and the headwaters of Centerfire Creek into the Blue River system, with springs including Holbrook Spring, Schoolhouse Spring, North Fork Spring, Upper Blue Spring, and Noland Spring maintaining flow through dry periods. The hydrology of this area is assessed as moderate significance, with Noland Creek representing the primary perennial drainage threading through the canyon systems.

Vegetation shifts with elevation and aspect across a broad range of community types. At the lowest elevations, Apache-Chihuahuan Desert Grassland and Intermountain Semi-Desert Grassland give way upslope to Sky Island Juniper Savanna and Arizona Plateau Chaparral. Two-needle pinyon pine (Pinus edulis) and alligator juniper (Juniperus deppeana) define Sky Island Pinyon-Juniper Woodland on rocky slopes, often with sacahuista beargrass (Nolina microcarpa) in the understory and silver-leaf oak (Quercus hypoleucoides) on warmer exposures. Sky Island Pine-Oak Forest and Sky Island Oak Woodland — featuring Gambel oak (Quercus gambelii) and gray oak (Quercus grisea) — occupy middle elevations, while Southern Rockies Ponderosa Pine Woodland moves through the mid-elevation zone. North-facing canyon walls and upper drainages support Sky Island High Mountain Conifer-Oak Forest and Southern Rockies Mixed Conifer Forest, where Douglas-fir (Pseudotsuga menziesii) forms the canopy over showy green-gentian (Frasera speciosa) and wild bergamot (Monarda fistulosa). Along Noland Creek and the canyon bottoms, Warm Desert Mountain Streamside Woodland and Rocky Mountain Foothill Streamside Woodland develop with narrowleaf cottonwood (Populus angustifolia), Arizona black walnut (Juglans major), Arizona grape (Vitis arizonica), and box-elder (Acer negundo) on streambanks.

The bird diversity of this area is exceptional, reflecting the convergence of Rocky Mountain and Sky Island faunal assemblages. Red-faced warbler (Cardellina rubrifrons) occupies mixed conifer and pine-oak forest; painted redstart (Myioborus pictus) forages along shaded canyon streams. Grace's warbler (Setophaga graciae) is tightly associated with ponderosa canopy, while black-throated gray warbler (Setophaga nigrescens) uses the pinyon-juniper and oak zones below. Phainopepla (Phainopepla nitens) appears in the lower juniper and desert grassland margins. Common black hawk (Buteogallus anthracinus) hunts along Noland Creek and the canyon drainages. American black bear (Ursus americanus) and cougar (Puma concolor) range across the full elevational gradient. Abert's squirrel (Sciurus aberti) is associated with ponderosa pine stands. Arizona toad (Anaxyrus microscaphus), assessed as Vulnerable by the IUCN, occupies rocky stream reaches. Portions of this area fall within the potential range of several federally listed species; see the Conservation section for details.

A visitor moving up Dam Canyon from the lower grassland enters successively denser vegetation as the canyon deepens — juniper savanna giving way to oak woodland and then to ponderosa pine and Douglas-fir on the canyon's north-facing walls. Near Maness Peak, the vegetation opens onto mixed conifer forest with views across the Centerfire Creek watershed and into New Mexico.

History

The Nolan roadless area encompasses 6,780 acres straddling Catron County, New Mexico, and Greenlee County, Arizona, within the Centerfire Creek-Blue River watershed on the Alpine Ranger District of the Apache-Sitgreaves National Forests. The landscape drains through Noland Creek and the headwaters of Centerfire Creek into the Blue River system — country that for centuries served as territory for Western Apache bands. Geronimo's band and related groups ranged the Blue watershed, which historical accounts describe as "remote, rough and historically dangerous due to roving Apache bands" [1]. Western Apache peoples occupied the mountains and river corridors of eastern Arizona as semi-nomadic hunters and gatherers, maintaining seasonal patterns of movement across elevational zones before sustained U.S. military pressure beginning in the 1870s disrupted those patterns [2]. Fort Apache was established in 1870 on the headwaters of the Salt River to anchor the Army's campaign against the Apache, and General Crook's operations in 1872–1873 broke the resistance of Apache bands across eastern Arizona. The San Carlos Reservation became the designated confinement for Apache and Yavapai peoples, reached through forced marches and characterized in its early years by inadequate food, disease, and repeated breakouts [2].

Anglo-American settlement of the Blue watershed, including the headwaters country drained by Noland Creek and Centerfire Creek, came only after Apache military power was broken in the 1880s — significantly later than much of the Southwest. Ranchers, primarily from Texas, drove cattle into the Blue country as access opened. By the 1890s a community of roughly 300 people was scattered along the river and its creeks, supported by an open range that drew livestock from Alpine and Nutrioso in Arizona and from communities across the Blue Range in New Mexico [1]. The upper Blue tributaries, including the drainages that now form the Nolan roadless area, were used as summer and winter range by multiple outfits. The four largest operations in the Blue basin together estimated upward of 10,000 cattle [1]. Goat herds and wood-cutters supplying the copper mines at Clifton added additional pressure on the lower watershed, while the upper drainages bore the weight of cattle from multiple directions.

Overgrazing combined with a prolonged drought from 1899 to 1904 produced catastrophic range deterioration across the watershed. Cattle died in large numbers; ranchers who had expanded aggressively found their herds unsupportable. Catastrophic floods in December 1904 and December 1905 scoured the Blue and San Francisco River corridors, destroying "75% of the little farms along the San Francisco and the Blue" and permanently eliminating the wagon road that had connected the Blue settlements [1]. Many families abandoned the upper watershed entirely. The Blue Range Primitive Area, which lies adjacent to the Nolan roadless area, preserves evidence of this settlement and abandonment pattern across its landscape.

Federal protection of the Nolan area came through the same sequence of proclamations that governed the broader watershed. The Black Mesa Forest Reserve, established August 17, 1896, incorporated the Blue watershed [3]. On July 1, 1908, President Roosevelt's proclamation created the Apache National Forest from portions of the Black Mesa Reserve [4], bringing the Nolan drainage under Forest Service administration. The Blue Range Primitive Area was established as a special administrative designation in the decades that followed, and in 1974 the Apache and Sitgreaves National Forests were merged to form the Apache-Sitgreaves National Forests [3]. The Nolan roadless area sits at the headwaters of the Centerfire Creek-Blue River system, within the Alpine Ranger District, protecting approximately 6,780 acres of unroaded watershed on the New Mexico-Arizona border.

Conservation: Why Protection Matters

Vital Resources Protected

Headwater Stream and Spring Integrity in the Blue River Watershed

Noland Creek and the headwaters of Centerfire Creek originate within this roadless area, fed by Holbrook Spring, Schoolhouse Spring, North Fork Spring, Upper Blue Spring, and Noland Spring. The unroaded condition of the surrounding watershed preserves the natural infiltration and subsurface flow that sustains these springs through dry seasons. Roads on steep mountain terrain accelerate surface runoff and reduce infiltration, lowering base flows in spring-fed streams — the exact mechanism that diminished Blue River tributaries following the cattle boom and subsequent land disturbance of the late 1800s. Maintaining spring-fed base flow in Noland Creek preserves the aquatic habitat continuity that stream-dependent species in this drainage require.

Continuous Interior Forest From Grassland to Mixed Conifer

The Nolan area contains an unbroken elevational gradient from Apache-Chihuahuan Desert Grassland and Sky Island Juniper Savanna at the canyon bottoms through Sky Island Pinyon-Juniper Woodland — the dominant vegetation type, covering 26.3% of the area — upslope to Southern Rockies Ponderosa Pine Woodland (38.0%) and Southern Rockies Mixed Conifer Forest. The Sky Island Pine-Oak Forest and Sky Island High Mountain Conifer-Oak Forest communities that occupy the canyon walls and mid-slopes are subject to fragmentation threats from roads, logging, and mining according to NatureServe assessments. Roadless conditions preserve interior forest conditions — low edge exposure and intact canopy structure — across this gradient, maintaining the microhabitats on which interior-forest specialists depend.

Canyon Riparian Corridors Supporting Convergent Faunal Assemblages

The deep canyons of the Nolan area — Dam Canyon, School House Canyon, Jackson Box, and Johnson Canyon — concentrate riparian woodland communities along Noland Creek and its tributaries. Warm Desert Mountain Streamside Woodland and Rocky Mountain Foothill Streamside Woodland lines these corridors with narrowleaf cottonwood, Arizona black walnut, and velvet ash (Fraxinus velutina). The convergence of Rocky Mountain and Madrean Sky Island biogeographic zones in this area produces exceptional diversity in the riparian bird fauna. These riparian habitats are assessed as vulnerable to road installation, bridge crossings, and agricultural conversion — all changes that would follow road development in this canyon system.

Potential Effects of Road Construction

Streamside Woodland Conversion and Aquatic Habitat Loss

Road construction in the canyon systems of the Nolan area would involve bridge crossings and road installation along Noland Creek, the primary mechanism documented in NatureServe assessments for converting Warm Desert Mountain Streamside Woodland. These installations would alter the stream channel geometry and floodplain hydrology that maintain the cottonwood-walnut riparian corridor. Culverts and crossings also fragment stream connectivity, creating barriers that impede movement of aquatic species along the drainage network.

Altered Fire Regimes in Pinyon-Juniper and Ponderosa Pine Woodlands

Road construction through the Sky Island Pinyon-Juniper Woodland and Southern Rockies Ponderosa Pine Woodland that together cover over 64% of the Nolan area would create disturbed mineral soil corridors where non-native annual grasses establish preferentially. Cheatgrass and related species, once established in roadsides within these woodland types, carry fire between patches in vegetation types historically governed by low fine-fuel loads, increasing fire frequency above the historical range. The Sky Island Pinyon-Juniper Woodland is specifically documented as having had its historical fire regime disrupted by livestock and fire suppression — road-facilitated invasive grass establishment would compound that disruption.

Fragmentation of Habitat for Large-Ranging Species

Roads and road-building activities in the Nolan area would fragment movement corridors for American black bear (Ursus americanus), cougar (Puma concolor), and the experimental non-essential Mexican wolf (Canis lupus baileyi) population, whose primary documented threat category includes roads and transportation corridors with pervasive scope across its range. The Nolan area sits within the Blue River corridor that the Mexican wolf experimental population uses as a movement pathway between Arizona and New Mexico. Roadless conditions maintain this connectivity; road construction through the interior of the area would introduce a barrier effect documented as a moderate-severity threat to this population.

Recreation & Activities

The Nolan roadless area covers 6,780 acres on the Alpine Ranger District of the Apache-Sitgreaves National Forests, straddling the Arizona-New Mexico border. The area has no maintained trails on record, but Tutt Creek Trailhead provides documented access to the backcountry, and two developed campgrounds — Blue Crossing Campground and Upper Blue Campground — serve as base camps for visitors to the area. The terrain centers on Noland Mountain, Maness Mountain, and Maness Peak, with access routes up Dam Canyon, School House Canyon, Jackson Box, and Johnson Canyon providing entry into the interior on foot or horseback.

Dispersed hiking and cross-country travel are the primary ways to move through the Nolan area. From Tutt Creek Trailhead, routes climb through the elevational sequence that defines this landscape — from lower Apache-Chihuahuan Desert Grassland and Sky Island Juniper Savanna through two-needle pinyon and alligator juniper woodland, into Gambel oak and gray oak mid-elevation forest, and upward through ponderosa pine to Douglas-fir and mixed conifer on the upper slopes and canyon heads near Maness Peak. The canyons — particularly Dam Canyon and Jackson Box — offer confined, shaded travel through riparian woodland with Arizona black walnut and narrowleaf cottonwood lining Noland Creek before the drainage opens to more exposed terrain on the slopes above.

Birding in the Nolan area draws from the exceptional convergence of Rocky Mountain and Madrean Sky Island species that characterizes the Blue River corridor. Red-faced warbler (Cardellina rubrifrons) and painted redstart (Myioborus pictus) inhabit the mixed conifer and pine-oak forests in the canyon interior. Common black hawk (Buteogallus anthracinus) hunts Noland Creek and the canyon drainages — a species that requires clear, flowing streams and is reliably found in riparian corridors of this type in the Blue watershed. Zone-tailed hawk (Buteo albonotatus) soars above canyon ridges. Western tanager (Piranga ludoviciana), black-headed grosbeak (Pheucticus melanocephalus), and lazuli bunting (Passerina amoena) are present in the mixed woodland transition zones. Lower juniper and desert grassland margins attract greater roadrunner (Geococcyx californianus) and Gambel's quail (Callipepla gambelii). The Blue River Road–Upper Blue CG eBird hotspot, with 94 species and 50 checklists, documents the corridor's bird diversity, and Luna Lake nearby logs 203 species across 494 checklists for those extending a birding day beyond the roadless area.

Fishing access in the Nolan area focuses on Noland Creek, where longfin dace (Agosia chrysogaster) and speckled dace (Rhinichthys osculus) are present in rocky stream reaches. These native minnows occupy the same canyon stream habitat used by the threatened narrow-headed gartersnake (Thamnophis rufipunctatus), and fishing pressure in this roadless drainage remains low because there are no roads providing streamside access to the upper creek. Anglers typically approach on foot from Blue Crossing Campground or via Tutt Creek Trailhead, with the approach walk filtering most casual traffic.

Wildlife observation opportunities are strong in this area. White-tailed deer (Odocoileus virginianus) and American black bear (Ursus americanus) are present across the elevational range. White-nosed coati (Nasua narica) is active in the lower oak and juniper zones. Arizona toad (Anaxyrus microscaphus) and Arizona treefrog (Dryophytes wrightorum) inhabit rocky stream reaches and moist canyon bottoms. The Mexican wolf (Canis lupus baileyi) experimental non-essential population occupies the broader Blue River corridor — this roadless area lies within the primary use zone of that population, and wolf presence is a realistic possibility for visitors spending extended time in the area.

Equestrian use is feasible from both campgrounds. The canyon terrain and open ridgelines accommodate stock travel, and Blue Crossing and Upper Blue Campgrounds can serve as staging points. Historical use of the Blue watershed by stock parties makes this a well-established activity type in the corridor.

Photography in the Nolan area centers on the canyon systems and the late-summer wildflower display along Noland Creek. Monument plant (Frasera speciosa) and scarlet gilia (Ipomopsis aggregata) bloom in the mixed woodland understory, while western blue flag (Iris missouriensis) and wild bergamot (Monarda fistulosa) mark wetter canyon bottoms. The pinyon-juniper and oak woodland communities produce strong fall color in the oaks from mid-October onward.

All of the recreation described here depends on Nolan remaining roadless. Access to the canyon interiors, Noland Creek fishing, and the bird diversity of the canyon forests require foot or horse travel precisely because no roads open the interior to motorized access. The Mexican wolf's presence in this corridor, the common black hawk on the creek, and the painted redstart in the canyon forest are there because the Nolan area remains an unroaded block within the broader Apache-Sitgreaves landscape.

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Observed Species (117)

Species with confirmed research-grade observation records from iNaturalist community science data.

(1)
Misumenini
(1)
Echinocereus santaritensis
(1)
Leiobunum townsendi
Abert's Sanvitalia (2)
Sanvitalia abertii
Abert's Squirrel (1)
Sciurus aberti
Alligator Juniper (1)
Juniperus deppeana
American Black Bear (1)
Ursus americanus
American Robin (2)
Turdus migratorius
Arizona Black Walnut (1)
Juglans major
Arizona Grape (4)
Vitis arizonica
Arizona Toad (2)
Anaxyrus microscaphusUR
Arizona Treefrog (1)
Dryophytes wrightorum
Beard-lip Beardtongue (1)
Penstemon barbatus
Bedstraw Milkweed (1)
Asclepias subverticillata
Birchleaf False Buckthorn (1)
Frangula betulifolia
Birdbill Dayflower (1)
Commelina dianthifolia
Black-headed Grosbeak (1)
Pheucticus melanocephalus
Black-necked Gartersnake (2)
Thamnophis cyrtopsis
Box-elder (3)
Acer negundo
Brewer's Sparrow (1)
Spizella breweri
Bullock's Oriole (1)
Icterus bullockii
Butterfly Milkweed (2)
Asclepias tuberosa
Cassin's Kingbird (2)
Tyrannus vociferans
Chipping Sparrow (2)
Spizella passerina
Common Black Hawk (2)
Buteogallus anthracinus
Common Clammyweed (1)
Polanisia dodecandra
Common Morning-glory (1)
Ipomoea purpurea
Common Mullein (1)
Verbascum thapsus
Common Pill-bug (1)
Armadillidium vulgare
Common Stinkhorn (1)
Phallus impudicus
Cougar (1)
Puma concolor
Dark-eyed Junco (1)
Junco hyemalis
Douglas-fir (1)
Pseudotsuga menziesii
Dusky-capped Flycatcher (2)
Myiarchus tuberculifer
Dwarf Lousewort (1)
Pedicularis centranthera
Fendler's Flatsedge (1)
Cyperus fendlerianus
Fendler's Whitethorn (2)
Ceanothus fendleri
Fleshy-fruit Yucca (3)
Yucca baccata
Gambel Oak (1)
Quercus gambelii
Gambel's Quail (1)
Callipepla gambelii
Giant Pinedrops (1)
Pterospora andromedea
Gophersnake (1)
Pituophis catenifer
Gray Oak (2)
Quercus grisea
Gray Wolf (3)
Canis lupus
Greater Pewee (1)
Contopus pertinax
Greater Roadrunner (1)
Geococcyx californianus
Greater Short-horned Lizard (3)
Phrynosoma hernandesi
Green-tailed Towhee (3)
Pipilo chlorurus
Greenhead Coneflower (1)
Rudbeckia laciniata
Hermit Thrush (1)
Catharus guttatus
Juniper Mistletoe (2)
Phoradendron juniperinum
Lazuli Bunting (1)
Passerina amoena
Longfin Dace (1)
Agosia chrysogaster
Many-flowered Gromwell (2)
Lithospermum multiflorum
Missouri Gourd (1)
Cucurbita foetidissima
Mountain Pennycress (1)
Noccaea fendleri
Mt. Graham Beardtongue (1)
Penstemon deaveri
Narrowleaf Cottonwood (1)
Populus angustifolia
Nevada Desert-parsley (1)
Lomatium nevadense
New Mexico Fishing Spider (2)
Dolomedes gertschi
New Mexico Locust (2)
Robinia neomexicana
Nipple-seed Plantain (1)
Plantago major
Northern House Wren (2)
Troglodytes aedon
Northern Poison-oak (1)
Toxicodendron rydbergii
Orange-crowned Warbler (1)
Leiothlypis celata
Ornate Tree Lizard (8)
Urosaurus ornatus
Painted Redstart (2)
Myioborus pictus
Pineywoods Geranium (3)
Geranium caespitosum
Plains Lemmon Beebalm (1)
Monarda pectinata
Red-tailed Hawk (1)
Buteo jamaicensis
Rocky Mountain Fameflower (1)
Phemeranthus confertiflorus
Sacahuista Bear-grass (1)
Nolina microcarpa
Sand Sagebrush (1)
Artemisia filifolia
Scarlet Skyrocket (3)
Ipomopsis aggregata
Showy Green-gentian (1)
Frasera speciosa
Silky False Morning-glory (1)
Evolvulus sericeus
Silver-leaf Oak (1)
Quercus hypoleucoides
Skunkbush (1)
Rhus trilobata
Slimleaf Plains-mustard (1)
Hesperidanthus linearifolius
Smooth Sumac (1)
Rhus glabra
Snowy Inkcap (1)
Coprinopsis nivea
Sonoran Desert Centipede (1)
Scolopendra polymorpha
Southwest Prickly-poppy (1)
Argemone pleiacantha
Southwestern Fence Lizard (3)
Sceloporus cowlesi
Speckled Dace (1)
Rhinichthys osculus
Spinystar (1)
Escobaria vivipara
Spotted Towhee (1)
Pipilo maculatus
Steller's Jay (2)
Cyanocitta stelleri
Sweet Four-o'clock (3)
Mirabilis longiflora
Terrestrial Gartersnake (3)
Thamnophis elegans
Tohono Vinegaroon (1)
Mastigoproctus tohono
Turkey Vulture (1)
Cathartes aura
Two-needle Pinyon Pine (2)
Pinus edulis
Upright Prairie Coneflower (1)
Ratibida columnifera
Variableleaf Bushbean (2)
Macroptilium gibbosifolium
Velvet Ash (1)
Fraxinus velutina
Violet-green Swallow (1)
Tachycineta thalassina
Virile Crayfish (1)
Faxonius virilis
Western Blue Iris (1)
Iris missouriensis
Western Tanager (2)
Piranga ludoviciana
Western Wood-Pewee (1)
Contopus sordidulus
White-faced Ibis (1)
Plegadis chihi
White-nosed Coati (1)
Nasua narica
White-tailed Deer (1)
Odocoileus virginianus
Wholeleaf Indian-paintbrush (4)
Castilleja integra
Wild Bergamot (1)
Monarda fistulosa
Wild Potato (1)
Solanum jamesii
Wilson's Warbler (2)
Cardellina pusilla
Woods' Rose (1)
Rosa woodsii
Wooton's Ragwort (1)
Senecio wootonii
Wright's Bluet (1)
Houstonia wrightii
Yellow-breasted Chat (1)
Icteria virens
Yellow-rumped Warbler (2)
Setophaga coronata
Zone-tailed Hawk (1)
Buteo albonotatus
fetid goosefoot (1)
Dysphania incisa
giant-trumpets (1)
Lithospermum thurberi
Federally Listed Species (11)

Species identified by the U.S. Fish and Wildlife Service as potentially occurring within this area based on range and habitat data. These designations do not indicate confirmed presence — they identify habitat where agency actions may require consultation under the Endangered Species Act.

Loach Minnow
Tiaroga cobitisEndangered
Mexican Spotted Owl
Strix occidentalis lucidaThreatened
Narrow-headed Gartersnake
Thamnophis rufipunctatusThreatened
Southwestern Willow Flycatcher
Empidonax traillii extimusEndangered
Spikedace
Meda fulgidaEndangered
Gila Topminnow
Poeciliopsis occidentalis
Gila Trout
Oncorhynchus gilae
Mexican Wolf
Canis lupus baileyiE, XN
Monarch
Danaus plexippusProposed Threatened
Suckley's Cuckoo Bumble Bee
Bombus suckleyiProposed Endangered
Yellow-billed Cuckoo
Coccyzus americanus
Other Species of Concern (15)

Species identified by the U.S. Fish and Wildlife Service as potentially occurring based on range and habitat data.

Black-throated Gray Warbler
Setophaga nigrescens
Broad-tailed Hummingbird
Selasphorus platycercus
Evening Grosbeak
Coccothraustes vespertinus
Flammulated Owl
Psiloscops flammeolus
Golden Eagle
Aquila chrysaetos
Grace's Warbler
Setophaga graciae
Lewis's Woodpecker
Melanerpes lewis
Mexican Whip-poor-will
Antrostomus arizonae
Olive-sided Flycatcher
Contopus cooperi
Phainopepla
Phainopepla nitens lepida
Pinyon Jay
Gymnorhinus cyanocephalus
Plumbeous Vireo
Vireo plumbeus
Red-faced Warbler
Cardellina rubrifrons
Scott's Oriole
Icterus parisorum
Virginia's Warbler
Leiothlypis virginiae
Migratory Birds of Conservation Concern (13)

Birds of conservation concern identified by the U.S. Fish and Wildlife Service as potentially occurring based on range data. These species may warrant additional consideration under the Migratory Bird Treaty Act.

Black-throated Gray Warbler
Setophaga nigrescens
Broad-tailed Hummingbird
Selasphorus platycercus
Evening Grosbeak
Coccothraustes vespertinus
Golden Eagle
Aquila chrysaetos
Grace's Warbler
Setophaga graciae
Lewis's Woodpecker
Melanerpes lewis
Mexican Whip-poor-will
Antrostomus arizonae
Olive-sided Flycatcher
Contopus cooperi
Phainopepla
Phainopepla nitens
Pinyon Jay
Gymnorhinus cyanocephalus
Plumbeous Vireo
Vireo plumbeus
Red-faced Warbler
Cardellina rubrifrons
Scott's Oriole
Icterus parisorum
Vegetation (11)

Composition from LANDFIRE 2024 EVT spatial analysis. Ecosystems classified per NatureServe Terrestrial Ecological Systems.

Southern Rockies Ponderosa Pine Woodland
Tree / Conifer · 1,044 ha
GNR38.0%
Sky Island Pinyon-Juniper Woodland
Tree / Conifer · 721 ha
GNR26.3%
Sky Island Pine-Oak Forest
Tree / Conifer-Hardwood · 490 ha
GNR17.9%
GNR5.6%
Sky Island High Mountain Conifer-Oak Forest
Tree / Conifer-Hardwood · 90 ha
GNR3.3%
Sky Island Oak Woodland
Tree / Conifer-Hardwood · 51 ha
GNR1.9%
GNR1.6%
Colorado Plateau Mixed Bedrock Canyon and Tableland
Sparse / Sparsely Vegetated · 42 ha
1.5%
Arizona Plateau Chaparral
Shrub / Shrubland · 35 ha
GNR1.3%
G30.2%
Intermountain Semi-Desert Grassland
Herb / Grassland · 3 ha
G20.1%

Nolan

Nolan Roadless Area

Apache-Sitgreaves National Forests, Arizona · 6,780 acres