Map showing tracklines of high resolution uniboom seismic reflection profiles collected August 26 through September 19, 1978, in the Chukchi Sea
Arthur Grantz, Jonathan Greenberg
1981, Open-File Report 81-33
No abstract available....
Landslides and related features, Pennsylvania: Warren 1° x 2° sheet
John S. Pomeroy
1981, Open-File Report 81-238
No abstract available....
Landslides and related features, Tennessee - Chattanooga 1° x 2° sheet
Roger E. Thomas
1981, Open-File Report 81-1318
No abstract available....
Map and tables showing preliminary results of potassium-argon age studies in the Circle Quadrangle, Alaska, with a compilation of earlier dating work
Frederic H. Wilson, Nora B. Shew
1981, Open-File Report 81-889
Maps showing distribution and abundance of beryllium in geochemical samples from the Bradfield Canal quadrangle, southeastern Alaska
R. D. Koch, Raymond L. Elliott
1981, Open-File Report 81-728-I
Maps showing distribution and abundance of copper in geochemical samples from the Bradfield Canal quadrangle, southeastern Alaska
R. D. Koch, Raymond L. Elliott
1981, Open-File Report 81-728-D
Maps showing distribution and abundance of gold and silver in geochemical samples from Bradfield Canal quadrangle, southeastern Alaska
R. D. Koch, Raymond L. Elliott
1981, Open-File Report 81-728-C
Maps showing distribution and abundance of lead in geochemical samples from the Bradfield Canal quadrangle, southeastern Alaska
R. D. Koch, Raymond L. Elliott
1981, Open-File Report 81-728-E
Maps showing distribution and abundance of molybdenum in geochemical samples from the Bradfield Canal quadrangle, southeastern Alaska
R. D. Koch, Raymond L. Elliott
1981, Open-File Report 81-728-G
Maps showing distribution and abundance of niobium in geochemical samples from the Bradfield Canal quadrangle, southeastern Alaska
R. D. Koch, Raymond L. Elliott
1981, Open-File Report 81-728-J
Maps showing distribution and abundance of tin in geochemical samples from the Bradfield Canal quadrangle, southeastern Alaska
R. D. Koch, Raymond L. Elliott
1981, Open-File Report 81-728-H
Maps showing distribution and abundance of yttrium in geochemical samples from the Bradfield Canal quadrangle, southeastern Alaska
R. D. Koch, Raymond L. Elliott
1981, Open-File Report 81-728-K
No abstract available....
Maps showing distribution and abundance of zinc in geochemical samples from the Bradfield Canal quadrangle, southeastern Alaska
R. D. Koch, Raymond L. Elliott
1981, Open-File Report 81-728-F
Maps showing ground-water conditions in the Agua Fria area, Yavapai and Maricopa Counties, Arizona
G. R. Littin
1981, Open-File Report 81-804
The Aqua Fria area includes about 1,500 mi2 in central Arizona. The area is bounded by the Prescott National Forest on the west, north, and east; by the Tonto National Forest on the southeast; and by the Bradshaw Mountains and Lake Pleasant on the southwest. Ground-water development has been slight, and...
Maps Showing Ground-Water Conditions in the San Francisco Peaks Area, Coconino County, Arizona - 1979
Cynthia L. Appel, Donald J. Bills
1981, Open-File Report 81-914
INTRODUCTION The San Francisco Peaks area includes about 2,300 mi2, of which about 500 mi2 is in the Navajo Indian Reservation, in north-central Arizona. Ground-water development has been slight except for the public-supply wells for Flagstaff and domestic wells in Fort Valley, Pitman Valley, and the area west of Elden Mountain....
Maps Showing Ground-Water Conditions in the San Simon Wash Area, Papago Indian Reservation, Arizona - 1979
Kenneth J. Hollet
1981, Open-File Report 81-530
INTRODUCTION The San Simon Wash area includes about 2,300 mi2 in the Papago Indian Reservation in south-central Arizona and is characterized by low mountains separated by broad alluvial basins. Most of the basins and mountains trend north and slightly northwest. The basins are underlain by a thick sequence of basin-fill deposits....
Maps showing historic flooding in the San Fernando Valley, California, 1934 to 1956
Ellen J. King, J. C. Tinsley, Ronald F. Preston
1981, Open-File Report 81-153
No abstract available....
Maps showing interpretation of Landsat imagery of the Bradfield Canal quadrangle, southeastern Alaska
J. R. Le Compte
1981, Open-File Report 81-728-L
Maps showing interpretation of Landsat imagery of the Medfra Quadrangle, Alaska
J. R. Le Compte
1981, Open-File Report 80-811-D
Map showing how the potentiometric surface of the Magothy Aquifer of September 1979 differed from the potentiometric surface of September 1977 in southern Maryland
Frederick K. Mack, J. C. Wheeler, Stephen E. Curtin
1981, Open-File Report 81-632
This map is based on the differences between two sets of water-level measurements made in 63 observation wells. One set was made in 1977, a relatively dry year, and the other set was made in 1979, a relatively wet year. The map shows that the potentiometric surface in 1979, in...
Map and table showing radiometric ages of rocks in southwestern Alaska
Nora B. Shew, Frederic H. Wilson
1981, Open-File Report 81-886
No abstract available....
Map and table showing radiometric ages of rocks in the Aleutian Islands and Alaska Peninsula
Frederic H. Wilson
1981, Open-File Report 81-471
No abstract available....
Map showing mineral resource evaluation of 53 proposed wilderness areas, California
Luis A. Fraticelli, John Patrick Albers
1981, Open-File Report 81-1215
Map of the Antelope Valley - East Kern Water Agency area, California, showing ground-water subunits and areas, and dissolved-solids concentrations, 1970-80
Charles Edwin Lamb, Tamara L. Hadley
1981, Open-File Report 81-698
A map (scale 1:125,000) shows ground-water subunits and areas and graphs of dissolved-solids concentrations, 1970-80, in the Antelope Valley-East Kern Water Agency area, California. (USGS)...
Map of the United States showing distances from urban areas having populations greater than 2,500
Jack Burton Epstein
1981, Open-File Report 81-157