B. M. Adrian D.L. Fey Richard M. O’Leary J. M. Motooka B. H. Roushey J.R. Erdman John R. Watterson J.R. Hessemer R. G. Eppinger 1990 application/pdf 10.3133/ofr90227B en U.S. Geological Survey : Books and Open-File Reports Section, distributor, Diskette version of analytical results and basic statistics for stream-sediment, heavy-mineral-concentrate, rock, creosote-bush, palo verde, and Bacillus cereus samples from the Swansea, Planet Peak, Gibraltar Mountain, Cactus Plain, and East Cactus Plain Wilderness Study areas, La Paz and Mohave Counties, Arizona reports