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San Juan National Forest, Mounument Mtn.

Approx 5 mi S of Arcata on the sand dunes of the Samoa Peninsula.

5 mi north of Pagosa Springs.

McPhee Reservois- Sage Hen Area on West end

Collected frm the W and SW lakeshore of a small, shallow brown-water lake along the E side of Hwy 550, just N of Haviland Lake.

R.R. Riss Ranch

Wetmore CO

Red Mt. Pass

Coconino National Forest; Stoneman Lake Road, 1 mile east of Hwy 79; Beaver Creek Watershed.

San Juan National Forest, Mill Creek.

1/2 miles E of Hossick Lake.

San Juan National Forest. Weminuche Wilderness, about 4km along the Williams Creek Trail at the end of Williams Creek Road.

San Juan National Forest, just outside the Weminuche Wilderness boundary. 1km south of Andrews Lake, southeast of Snowdon Creek and the Crater Lake Trail #623.

North of Aztec; at the state line between New Mexico and Colorado.

6 miles south of La Plata, 5 miles west of Hwy 170.

4 miles due SE of Leamington, Fillmore District, Canyon Mtns. Leamington Pass.

13 km SW of El Estanco on road to Nanchititla.

West side of Duck Pond berm, approximately 2 miles west of U.S. Hwy 491 northwesterly of Shiprock.

Dry Creek, Hoover's Corner topo

San Miguel and Lower Dolores River Drainages: Unaweep Canyon: north side of West Creek below bridge.

Richfield District, Monroe Canyon, ca 3 miles SW of Monroe.

Bilk Creek.

Mesa Verde National Park, mouth of Spruce Canyon.

San Juan National Forest, Weminuche Wilderness, Rainbow Trail, W. Fork of the San Juan River, cliffs just S of Beaver Creek bridge, N to hot springs.

Dolores R canyon ca. 10 mi below Mcphee Dam

San Juan National Forest, Dam 2 below Electra Lake.

San Miguel and Lower Dolores River Drainages: West Creek on Unaweep Divide Spring.

Ca. 0.5 km S of Puerto de Ceneguillas along rd Pablillo- Dr. Arroyo (NL-2).

3 miles northwest of Farmington, "The Badlands" along the La Plata River.

1 mile south of the San Juan River at Bloomfield, in Kutz Canyon.

2 miles northwest of Waterflow on the Hogback, Point lookout member of the Mesa Verde formation, slickrock habit

1/2 mile E of Hossick Lake

Alongside of Hwy 550 going south on the west side of the road.

San Juan National Forest; upper Dolores River drainage and adjacent areas; Taylor Mesa, about 18 miles NE of Dolores, FR 545.

3 miles northwest of Farmington " The Badlands" along the west side of the La Plata River

3 miles northwest of Farmington; "The Badlands" along the La Plata River.

2 miles south of Bisti, Di Na Zin wash in the Bisti Badlands.

2 miles north of Waterflow on the Hogback.

1 mile south of the Colorado state line along the Los Pinos River.

3 miles northwest of Farmington, " The Badlands" along the La Plata River.

1.5 miles north of Waterflow, east of the Hogback.

Porter, 5 miles W of Durango.

Alongside Horse Gulch Road.

College Heights, Durango.

Vacant lot on Riverview Dr, Durango.

14 miles north of Interstate 40 along Hwy 95. Piute Valley; sandy plain between Homer and Dead Mts, in Piute Wash.

San Miguel and Lower Dolores River Drainage: Dolores River Drainage: Roc Creek.

Capitol Reef National Park, at the firing range on the eastern boundary of the park just south of Utah 24.

Melrose.

Beaver Creek, San Juan National Forest.