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Fossil Ridge. Tertiary intrusive (Andesite) tundra, near [N of] contact.

On lower portion of north facing canyon walls along Middle St. Vrain Creek.

Fossil Ridge. Carbonate S of contact, main part of study area; first unit to S of contact.

Roadside above Emerald Lake and below Schofield Pass, 4.8 airmiles NNW of Gothic.

Vicinity of Cottonwood Pass.

Jack's Cabin Cutoff, 1 mi E of CO Hwy 135.

Gothic. Rocky Mountain Biological Laboratory. Roadside N of Visitor Center and N of main path to Administative Buildings, east side of road.

Maroon Bells-Snowmass Wilderness Area, White River National Forest, N-facing slope, near ponds on west shelf of Hasley Basin, 13 mi N of Crested Butte.

2 mi S of Almont, 8 mi N of Gunnison.

Lower rock slide on Mount Baldy, banks to left of "narrows, 260 feet above falls, ca. 4.5 mi. (by road) N of Gothic.

South slope of Mount Avery [Avery Peak], near Gothic.

Hillside in Copper Creek Canyon, 2 mi E of Gothic.

Banks of Mill Creek, about 1 mi from Slumgullion Pass on Cebolla Creek Road.

Schofield Park, W of South Fork of Crystal River, 1.5 mi N of Schofield Pass.

Glacier Lake, NW of Boulder on Hwy 160 [72].

Outside Crested Butte. Teocalli Mt. Area, 600' up Brush Creek rail from E. Brush Creek Rd.Langenheim survey: SF20-C, 5m.

Powderhorn.

Gore Range, Eagles Nest Wilderness Area, Central Colorado.

50-100 m upslope from the East Brush Creek trail head.

Lower part of trail to Copper Creek, near Gothic.

E side of Cebolla Creek Rd, about 1.25 mi SE of Powderhorn.

Buffalo Peaks Wilderness Area, San Isabel and Pike National Forest. W-facing slope of Pika Peak (un-named 12,917 ft. point NW of W Buffalo Peak), 10.5 mi N of Buena Vista.

Cumberland Pass, near Pitkin.

Quarter-circle Circle Ranch.

SE-facing slope of Engineer Mountain, just to the N of the summit of Engineer Pass jeep road, Hinsdale-Ouray County line.

Just N of the Rocky Mountain Biological Laboratory, old town of Gothic.

Culebra Range, 40 air miles west of Trinidad, CieloVista (Taylor) Ranch. NE slopes of Purgatorie Peak.

Sangre de Cristo Wilderness, Rio Grande National Forest, South Zapata Trail; ca 20 mi. NE of Alamosa.

Gothic. Rocky Mountain Biological Laboratory. Wet area along Judd Falls Trail.

Gothic. Rocky Mountain Biological Laboratory. Sagebrush along Judd Falls trail.

Mt. Avery Trail.

N-facing slope of the Black Canyon of the Gunnison River, directly above East Portal, just E of the national monument.

0.5 mi below Emerald Lake, lower slope of Mount Baldy.

Eastern Montrose County.

Copper Creek Trail, about 0.5 mi E of Gothic just beyond the Wilderness Area boundary.

Maroon Bells-Snowmass Wilderness Area, White River National Forest, E-facing meadow just below W shelf of Hasley Basin, 13 mi N of Crested Butte.

Flat Tops/White River Plateau: ridge between Hack Creek and Sweetwater Lake, ca 20 air mi NE of Glenwood Springs.

Along road to Abajo Peak. Abajo Mtns., above Monticello.

East bank of the Lake Fork, a couple of mi N of Gateview.

Between Powderhorn Cemetery and Cebolla Creek Rd, about 4 mi S of Powderhorn.

Crested Butte: Off Washington Gulch Road, on trail to Meridian Lake.

Along Highway 135 between Roaring Judy Fish Hatchery and Almont.

Old townsite of Gothic.

Blaine Basin (Long Valley), Drainage immediately N of Avery Peak, 2.15 mi NNE of Gothic. Gentle, SW-facing slope below level of (to W of) rock glacier.

Blaine Basin (Long Valley), Drainage immediately N of Avery Peak, 2.15 mi NNE of Gothic. Gentle, SW-facing slope below level of rock glacier.

Road from Mineral Creek to Dry Lake Park.

About 3 mi N of Almont.

Rocky Mountain Biological Laboratory. Gothic. East River Banks above lab.

Mexican Cut.

Fenced-in yard of the Paragon School, about 5 miles NE of Gunnison.