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Character and evolution of the ground-water flow system in the central part of the western San Joaquin Valley, California
Kenneth Belitz
1988, Open-File Report 87-573
The occurrence of selenium in agricultural drain water derived from the western San Joaquin Valley, California, has focused concern on the ground-water flow system of the western valley. In this investigation, previous work and recently collected texture and water-level data are used to evaluate the character and evolution of the...
Chemical and hydrologic data for selected thermal-water wells and nonthermal springs in the Boise Area, southwesten Idaho
H.W. Young, D. J. Parliman, Robert H. Mariner
1988, Open-File Report 88-471
Data were collected during January to July 1988 from 37 thermal-water wells and 3 nonthermal springs in the Boise area, southwestern Idaho. Included are well and spring locations; well-construction, water-level, and water-use information; hydrographs of water levels in 3 wells; chemical and isotopic analyses of water from 18 thermal-water wells...
Water-resources activities of the U.S. Geological Survey in Missouri, fiscal year 1987
B. J. Smith (compiler), K.L. Jenkins
1988, Open-File Report 88-99
Water resources activities of the U.S. Geological Survey in Missouri consist of collecting hydrologic data and making interpretive studies. Hydrologic studies in Missouri are made through three basic types of projects: (1) hydrologic data-collection program, (2) local or areal hydrologic investigations, and (3) statewide or regional studies. These projects are...
Precambrian ophiolites of Arabia; a summary of geologic settings, U-Pb geochronology, lead isotope characteristics, and implications for microplate accretion, Kingdom of Saudi Arabia
John S. Pallister, J. S. Stacey, L. B. Fischer, W. R. Premo
1988, Open-File Report 88-606
Disrupted ophiolites occur in linear belts as much as 900 km long between micro plates that collided during the late Proterozoic to form the Arabian Shield. The U-Pb zircon ages and lead-isotope data from these ophiolitic rocks help constrain the history of accretion of the Arabian Shield and thereby contribute...
Map showing depth to bedrock, Anchorage, Alaska
R. L. Glass
1988, Open-File Report 88-198
Knowledge of the physical and hydrologic characteristics of geologic materials is useful in determining the availability of groundwater for public and domestic supply and the suitability of areas for on-site septic systems. A generalized map of the Anchorage area shows the approximate distance from land surface to the top of...
A guide for the use of digital elevation model data for making soil surveys
A. A. Klingebiel, Emil H. Horvath, William U. Reybold, D. G. Moore, E. A. Fosnight, Thomas R. Loveland
1988, Open-File Report 88-102
The intent of this publication is twofold: (1) to serve as a user guide for soil scientists and others interested in learning about the value and use of digital elevation model (DEM) data in making soil surveys and (2) to provide documentation of the Soil Landscape Analysis Project (SLAP). This...