From introduction: This volume contains information and survey results pertaining specifically to the Saint Johns NTMS 1:250,000 scale Quadrangle, Arizona and New Mexico, one of a group of 12 such quadrangles in Arizona, Idaho, Montana, New Mexico, South Dakota, and Washington included in an aerial radiometric and magnetic reconnaissance survey. General information concerning the instrumentation and methods used in data acquisition, processing, and interpretation is presented in Volume 1 of this final report.

From introduction: This report is a status report to complete present contract obligations and is submitted in lieu of a Final Report. A Final Report is not feasible especially until complete analyses and statistical treatment of all of the 436 rock chip, 2 soil-rock and 90 water samples, a total of 528 samples submitted by the partners to Union Carbide, Oak Ridge, Tennessee, plus remaining analyses to be run by BFEC's Grand Junction Laboratory become available and other recommendations and necessities are done. See subsequent section of this report titled: "Recommendations For Work Needed to Complete Final Report". A Final Report may be prepared by the partners if supplemental funds for such work and for completion of the analyses and their statistical treatment ever become available.

Preliminary copy of the Status Report on the Geologic Evaluation of Uranium in Plutonic Rocks, Northwestern Arizona.

Preliminary copy of the Status Report on the Geologic Evaluation of Uranium in Plutonic Rocks, Northwestern Arizona.

Abstract: Ground-water and tailings pond monitoring in the Upper Santa Cruz Basin Mines Task Force's Special Studies Area has been performed to determine the nature and extent of aquifer contamination from copper tailings pond's recharge in the basin. A monitoring program for each of three mining areas (Mines A, B, and D) was developed. Analysis of data shows that recharge from Mine A's ponds has caused increased hardness, sulfate and total dissolved solids in local ground water. However, pumpage in the area has controlled most of the water's movement. Pond recharge from Mine B has led to similar conditions, and the degraded water is moving towards a local public-supply well. Pumpage from Mine D's interceptor wells is controlling some, but not all, of the movement of recharge seepage from Mine D's ponds. Recommendations include the need for enhanced monitoring programs at each current mine site, development of a monitoring program for Mine C's area, development of water budgets for all mines, investigation of tailings pond compaction and sliming, establishment of mine closure plans for containment of recharged pond water, and the need for additional interceptor wells in several locations.

Technical report issued by the Bureau of Mines over the different uses of gypsum. The sources and uses of gypsum are presented and discussed. This report includes tables, photographs, and illustrations.

From Abstract: "Field and laboratory data are presented for 451 water samples and 900 sediment samples from the Clifton Quadrangle, New Mexico; Arizona."

Report describing the results of geochemical and stream sediment reconnaissance sampling in the Kingman Quadrangle, to look for uranium and trace elements, and to take other measurements.

Master copy of the Hyrdrogeochemical and Stream Sediment Reconnaissance Basic Data Report for Kingman NTMS Quadrangle, Arizona, California, and Nevada.

Report describing the results of geochemical and stream sediment reconnaissance sampling in the Las Vegas Quadrangle, to look for uranium and trace elements, and to take other measurements.

Report issued by the U.S. Bureau of Mines on the drilling for copper deposits near Pinal County, Arizona in 1949. Topographic and geologic mapping, drilling, and field tests were studied. Tables, maps, and illustrations are presented.

Report discussing the Shinarump Conglomerate, the channels leading to this conglomerate, and the uranium minerals which localize at the base of this conglomerate via the channel sediments. The geology of the area, information on the channels, and information regarding the localization of uranium in channels are included.

A report regarding localization of uranium minerals in channel sediments at the base of the Shinarump conglomerate, Monument Valley, Arizona. This report concerns work done on behalf of the Division of Raw Materials of the U.S. Atomic Energy Commission.

From abstract: This abbreviated data report presents results of ground water and stream/surface sediment reconnaissance in the National Topographic Map Series (NTMS) Phoenix 10 x 2 quadrangle. Surface sediment samples were collected at 1388 sites, at a target sampling density of one site per 15 square kilometers (6 square miles). Ground water samples were collected at 155 sites. Neutron activation analysis (NAA) results are given for uranium and 16 other elements in sediments, and for uranium and 9 other elements in ground water. Mass spectrometry results are given for helium in ground water. Field measurements and observations are reported for each site. Analytical data and field measurements are presented in tables and maps.

Introduction: A reconnaissance of the Black Brush property was made by geologists of the Atomic Energy Commission in March, 1955. This anomalous area was located by an earlier airborne radiometric survey. the examination consisted of preliminary sampling and surface and underground radiometric traversing.

Abstract: Reconnaissance of Red Rock Valley was begun on December 10, 1953, and completed on February 11, 1954. The mines in the region were investigated and all exposures of Salt Wash were walked. Paleostream directions and alterations of the sandstones were observed and recorded on a base map. No important new mineralization was discovered-and the area is considered to be of no commercial significance if judged by the outcrops alone. However, a vast amount of Salt Wash lies at slight depth directly to the east of the investigated area.