USGS RENO PASS QUADADMR RATTLESNAKE QUICKSILVER GROUP FILEUSGS 1C 8252 MERCURY POTENTIAL OF THE US 1965 P 67ADMR CYPRESS GROUP FILELAUSEN C AND GARDNER E D QUICKSILVER RESOURCES OF AZ AZBMBULL 122 1927 P 102AZBM BULL 180 MINERAL AND WATER RESOURCES OF AZ 1969 P228