Table 1. Location and elevation of water and rock sampling sites at Great Basin National Park, Nevada.

[Site locations are shown in figure 2. Site identification No. was used to obtain data from National Water Information System (NWIS) database. Degrees, minutes, and seconds determined from Global Positioning System using horizontal coordinate information referenced to North American Datum of 1983 (NAD 83). Land surface altitude also determined from Global Positioning System using vertical coordinate information referenced to the North American Vertical Datum of 1929 (NAVD 29). The land surface altitude of Lehman Caves is near the entrance and is not that of the pool inside the cave. –, data not entered into NWIS database]

Site No.	Site name	Site identification No.	Latitude	Longitude	Land surface altitude
			(degrees minutes seconds)
Water Samples
1	Cave Springs	390055114140601	39º 00’ 55.1’’	114º 14’ 09.4’’	7,270 ± 20
2	Pool in Lehman Caves	390021114130801	39º 00’ 21.1’’	114º 13’ 11.7’’	6,830 ± 20
3	Spring near upper Lehman Creek campground	390042114152601	39º 00’ 42.2’’	114º 15’ 29.9’’	7,920 ± 30
4	Marmot Spring	385931114135401	38º 59’ 31.2’’	114º 13’ 57.0’’	7,370 ± 20
Rock Samples
5	Pole Canyon Limestone	–	39º 00’ 36.0’’	114º 13’ 18.4’’	6,870 ± 30
6	Tertiary granite	–	39º 00’ 43.0’’	114º 13’ 55.2’’	7,170 ± 30
7	Prospect Mountain Quartzite	–	39º 00’ 43.7’’	114º 14’ 55.4’’	7,640 ± 40