TY - RPRT TI - U. S. Geological Survey tracer study, Amargosa Desert, Nye County, Nevada, Part I: Exploratory drilling, tracer well construction and testing, and preliminary findings AU - R.H. Johnston PY - 1968 DO - 10.3133/ofr68152 UR - https://pubs.usgs.gov/publication/ofr68152 ID - ofr68152 ER -