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Del Rio (vacant lot) (29 deg 23'; -100 deg 54')

City of El Paso, Buena Vista subdivision, "Cement Lake" of El Toro Cement Co. (31 deg 48.24'; -106 deg 31.96') T29S R4E NE1/4, Sec. 9

Santa Elena Canyon, 1 mi above mouth. (29 deg 10.3'; -103 deg 37.8')

Rio Grande below Anzalduas Dam, on rocky riffles. (26 deg 08.19'; -98 deg 20.03')

Rio Grande at Roma, 0.35 mi NW of International bridge, on E side of island (road leads from N part of Roma down to locality). (26 deg 24.47'; -99 deg 01.32')

Gravel Pit Lake, ca. 2 mi. N Mission (26 deg 14.33'; -98 deg 18.50')

San Jacinto River, one mi west of Conroe. (30 deg 18.86'; -95 deg 30.67')

3 mi. N of Monte Alto, shores of Monte Alto Reservoir, in park on east side of north-south road transacting reservoir (26 deg 25.01'; -97 deg 57.41')

Shores of Lake Edinburg, ca. 5 mi. N Edinburg (26 deg 22.97'; -98 deg 09.77')

Shores of Lake Edinburg, ca. 5 mi N of Edinburg. (26 deg 22.97'; -98 deg 09.77')

City of Mercedes, road embankment at Mid-Valley Salvage Discount Store, 200 block of 2nd street on W side of canal and S side of street (=old US Hwy 83). (26 deg 09.00'; -97 deg 54.59')

Rio Grande at Chape[X]o gauging station - around islands - ca. 1,8 mi downstream, SE, from Falcon Dam powerhouse. (26 deg 31.86'; -99 deg 09.18')

3 mi NE McCamey. (31 deg 10.0'; -102 deg 15.8')

Melchor Musquiz, Sierra Santa Rosa, in upper elevations of the Rincon de Maria, in extensive stabilized limestone talus in oak woodland (28[X]28'N, 102[X]04'W)

Maderas del Carmen (28[X]59'N, 102[X]33'W)

NM, Dona Ana Co., San Andres Mts: S side of Black Mountain, in canyon below prominen ttalus accumulation (TT21S, RR4E, SE 1/4 NE 1/4 NE 1/4 Sec. 12)

USA, New Mexico, Luna Co., Florida Mts: ca. 1 mi. E of Old Mahoney Mine on north slope at base of granite cliff, elev. 6000 ft, T25S, R8W, NW 1/4 Sec. 16

Mexico, Coahuila, on state hwy. 53, 6.2 km slightly N of E from Tres Caminos at summit of La Cunta de Plomo (=Malena) (28 deg 43' 55"N, 1 deg 2 deg 30' 39" W)

NM, Rio Arriba Co., 1 mi. N Rinconada, Rio Grande River

Quitman Mts. (31 deg 00.00'; -105 deg 24.46')

New Braunfels, 50 yds west of artesian spring, 20 ft north of unpaved road on south slope of hill in Landa Park, under rotting logs, bark & tree limbs (29 deg 42.807'; -98 deg 08.243')

NM, Otero Co., Sacramento Mts., Dog Canyon, west wall of Mts, 1/2-3/4 mi. up canyon from mouth, on N-facing canyon wall (TT18S, RR16E, Center, N boundary Sec. 15) (UTM Zone 13, 3624200 N, 415200 E)

NM, Otero Co., Sacramento Mts., Dog Canyon, west wall of Mts, 1/2-3/4 mi. up canyon from mouth, on N-facing canyon wall (TT18S, RR16E, Center N boundary Sec. 15) (UTM Zone 13, 3624200 N, 415200 E)

Texas, El Paso Co., Franklin Mts., Yinton Cn., Limestone slopes, elev. 5000' (31 deg 57' 55"N; 106 deg 30'42"W)

Banks of "Toyah Creek" [sic, see remarks] at south edge of Toyah, 200' SW of bridge on abandoned road to Saragosa (31 deg 18.55'; -103 deg 47.38')

Rio Grande, ca. 0.7 mi above beginning of rectification where river bends to the south.

Banks of "Toyah Creek " [sic, see remarks]at south edge of Toyah, 200' SW of bridge on abandoned road to Saragosa (31 deg 18.55'; -103 deg 47.38')

NM, Dona Ana Co., Organ Mts: N side of Fillmore Canyon, ca. 0.2 mi. E Fillmore Spring,along steep-walled canyon entering Fillmore Canyon from NE (TT23S, RR4E, NE 1/4 SE 1/4 NW 1/4 Sec. 6) (UTM Zone 13, 3578941.4 N, 352022.7 E)

Santa Clara Indian Reservation, Santa Clara Cn., .8 mi. W of Ranger station, Jemez mts.

Bosque River 3 mi NW of Valley Mills. (31 deg 40.72'; -97 deg 30.44')

Mexico, Sonora, W bank of Rio Agua Fria, ca. 1 km upstream from Rancho La Brissa installations; 30 deg 24' 21.8"N; 110 deg 32' 30" W

N.M., Dona Ana Co., 2.3 air miles E from top, Bishop's cap, NNW-SSE trending Ls. ridge; 4750'

NM, Eddy Co., Guadalupe Mts., ledges above Devil's Den Spring, north facing slope (TT26S, RR21E, 1/8 mi. S of Center, north boundary Sec. 21) (UTM Zone 13, 3543900 N, 518200 E)

El Paso, mesa immediately north of Coronado High School, under stems of Yucca torreyi (31 deg 50.20'; -106 deg 32.85')

1/4 mi. S of Rd. to Tom Mays Park and ca. 1 mi. W of Park, under Yucca stems (31 deg 54.67'; -106 deg 32.50')

Franklin Mts., NE slope (31 deg 59.960'; -106 deg 29.381') T26S R4E SW 1/4 Sec.36

Franklin Mts., drift from arroyo along O'Hara Rd, 1 mi. W Anthony Gap (32 deg 00.654; -106 deg 32.778)

NM, Luna Co., Florida Mts., north end of range, 1/2 mi. S of dome-like scarp fronting on Deming Ranchette Area (TT25S, RR8W, NW 1/4 sec. 12) (UTM Zone 13, 3560000 N, 252200 E)

NM, Dona Ana Co., Doña Ana Mts., Doña Ana Peak

NM, Eddy Co., Guadalupe Mts, stream below Sitting Bull Falls (TT24S, RR22E, Sec. 3)

NM, Eddy Co., Guadalupe Mts, stream below Sitting Bull Falls (TT22S, RR22E, Sec. 3)

Puerto Rico, Guayama Sierra de Cayey, along Hwy. 184 in the Bosque de Carite at "Area Recreativa Guavate", (GPS: 18 deg 07'24"N, 66 deg 04'46"W) 2150 ft in rain forest

New Mexico, Otero Co., Hueco Mts "red Mountain"; found among syenite boulders near top of peak (32deg 01.93'N, 105 de 59.35'W, UTM: E0406600, N3544500)

Bank of Pecos River, 1.5 mi. SW of Mentone, then 0.5 mi. NW on paved road (31 deg 41.34; -103 deg 37.23')

El Paso, Buena Vista Subdivision, in lake belonging to Portland Cement Company (31 deg 48.24'; -106 deg 31.96') T29S R4E NE 14, Sec 9

San Antonio, Brackenridge Park, effluent from San Antonio Zoo (29 deg 27.5'; -98 deg 28.1')

San Antonio, Brackenridge Park, San Antonio River (29 deg 27.3'; -98 deg 28.6')

TX, Hudspeth Co., Indio Mts., Double Tank Corral, 4,390 ft

TX, El Paso Co., City of El Paso, Campus of University of Texas at EL Paso, Front Lawn of Centennial Museum

E bank of Pecos River, 3 mi. SW of Grandfalls on N side of StHwy 18 (31 deg 18.38'; -102 deg 52.60)