TY - BOOK T1 - Water levels in periodically measured wells in the Yucca Mountain area, Nevada, 1989 DA - 1991. CY - Denver, CO : AU - O'Brien, Grady M. VL - 91-178 CN - I 19.76: PB - U.S. Dept. of the Interior, U.S. Geological Survey : PB - Books and Open-File Reports Section [distributor], PP - Denver, CO : PY - 1991. N1 - Distributed to depository libraries in microfiche. ID - 200066 KW - Water table TI - Water levels in periodically measured wells in the Yucca Mountain area, Nevada, 1989 ER -