Summary geochemical maps for samples of rock, stream sediment, and nonmagnetic heavy-mineral concentrate, Pyramid Roadless Area, El Dorado County, California
M.A. Chaffee
1986, Miscellaneous Field Studies Map 1616-B
The Wilderness Act (Public Law 88-577, September 3, 1964) and related acts require the U.S. Geological Survey and the U.S. Bureau of Mines to survey certain areas on Federal lands to determine their mineral resource potential. Results must be made available to the public and be submitted to the President and...
Geochemical maps showing distribution and abundance of zinc in two fractions of stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, New Mexico and Arizona
K. C. Watts, J.R. Hassemer, C.L. Forn, D. F. Siems
1986, Miscellaneous Field Studies Map 1183-D
Aeromagnetic map of the Rattlesnake Roadless Area, Coconino and Yavapai counties, Arizona
R.A. Martin
1986, Miscellaneous Field Studies Map 1567-C
The Rattlesnake Road less Area covers 32,870 acres between long 11°37'30" and long 111°47'30" W. and between lat 34°40' and lat 34°45' N., Coconino and Yavapai Counties, in central Arizona. Sedona and 0ak Creek, the nearest population centers, are located, respectively, at the northwest corner and along the west boundary...
Maps showing mines, prospects, and mineral localities in and near the Dolly Ann Roadless Area, Alleghany County, Virginia
Jay G. Jones
1986, Miscellaneous Field Studies Map 1358-C
The Dolly Ann Roadless Area comprises 7,900 acres (3,200 ha) in the George Washington National Forest in west-central Virginia. The study area is in central Alleghany County, northeast of Covington, Va. (fig. 1). U.S. Forest Service Route 125 and U.S. Highway 220 furnish vehicular access to the edges of the...
Geologic map of the Bridger Wilderness and the Green-Sweetwater Roadless Area, Sublette and Fremont counties, Wyoming
R. G. Worl, M.E. Koesterer, T.P. Hulsebosch
1986, Miscellaneous Field Studies Map 1636-B
Preliminary geologic map of the Anvil Points Quadrangle, Garfield County, Colorado
R. B. O'Sullivan
1986, Miscellaneous Field Studies Map 1882
Photogeologic and reconnaissance geologic map of the Horse Creek Quadrangle, Custer County, Montana
S. J. Luft
1986, Miscellaneous Field Studies Map 1871
Mineral resources and resource potential map of the East Yuba and West Yuba Roadless Areas, Plumas and Sierra counties, California
J.R. Bergquist, Andrew Griscom, S.S. Page, W.W. White, Douglas F. Scott
1986, Miscellaneous Field Studies Map 1613-A
Geochemical survey of the Snowbird Roadless Area, Graham County, North Carolina
F. G. Lesure
1986, Miscellaneous Field Studies Map 1587-B
Map showing slope movements in the Oak Forest Quadrangle, Greene County, southwestern Pennsylvania
J. S. Pomeroy
1986, Miscellaneous Field Studies Map 1794
This map is the first example in the eastern United States of a 1:24,000-scale 7.5– minute quadrangle map that identifies areas with slope—stability problems in detail. Such a map enables the user to make a rapid evaluation of the potential for mass movement. Furthermore, detailed slope movement inventory of this...
Surficial materials map of the Springfield 1 degree by 2 degrees Quadrangle, Missouri
J.W. Whitfield
1986, Miscellaneous Field Studies Map 1830-B
Geochemical maps showing distribution and abundance of barium in two fractions of stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, New Mexico and Arizona
Kenneth C. Watts, Jerry R. Hassemer, Carl L. Forn, David F. Siems
1986, Miscellaneous Field Studies Map 1183-K
These maps (Maps A and B) show the distribution and abundance barium in the nonmagnetic and magnetic fractions of heavy-mineral concentrates from stream sediments collected in the Silver City 1o x 2o quadrangle, New Mexico and Arizona. Geochemical maps showing the distribution and abundance of 10 other selected key elements and the mineral...
Log of an exploratory trench in the New Madrid seismic zone near Blytheville, Arkansas
Kathleen M. Haller, Anthony J. Crone
1986, Miscellaneous Field Studies Map 1858
During the winter of 1811-12, at least three major earthquakes having estimated magnitudes of MS 8.3-8.8 (Nuttli and Herrmann, 1984) struck the area near New Madrid, Mo. Since the 1811-12 series of earthquakes, 20 damaging earthquakes have occurred in the area (Nuttli, 1982), making the New Madrid seismic zone (fig....
Geologic map of the Pigeon Canyon, Nevershine Mesa, and Snap Point Wilderness Study Areas, Mohave County, Arizona
Ivo Lucchitta, L. S. Beard, Hugh J. Rieck
1986, Miscellaneous Field Studies Map 1860-B
Geologic map of the Leesburg Quadrangle, Lemhi County, Idaho
J. J. Connor, K. V. Evans
1986, Miscellaneous Field Studies Map 1880
Maps showing mines, prospects, and exposures in the Beaver Creek Wilderness, McCreary County, Kentucky
Richard W. Hammack
1986, Miscellaneous Field Studies Map 1348-C
The Beaver Creek Wilderness occupies an area of 4,791 acres within the cliffline bordering the Beaver Creek drainage in McCreary County, southeastern Kentucky. It is in the Daniel Boone National Forest and includes part of the Beaver Creek Cooperative Wildlife Management Area, which is managed by the U.S. Forest Service...
Geologic and geochemical-anomaly map of the Tunnel Ridge Wilderness Study Area, Klamath Mountains, California
M. F. Diggles, G. L. Kennedy
1986, Miscellaneous Field Studies Map 1810-B
Stratigraphic framework of coal beds underlying the northeastern part of the Fort Peck Indian Reservation, Montana
John K. Hardie, Bradley S. Van Gosen
1986, Miscellaneous Field Studies Map 1775
The area of investigation is located in the northeast part of the Fort Peck Indian Reservation (fig. 1) on the western flank of the Williston Basin. It covers about 450 square miles and is made up of parts of Daniels, Sheridan, and Roosevelt counties. Exploratory drilling for coal and logging...
Aeromagnetic map of the Wet Beaver Roadless Area, Yavapai and Coconino counties, Arizona
R.A. Martin
1986, Miscellaneous Field Studies Map 1558-C
The Wet Beaver Roadless Area includes 9,890 acres (15.4 mi2) of the Coconino National Forest and is in T. 15 N., Rs. 6, 7, and 8 E., Yavapai and Coconino Counties, central Arizona. Camp Verde, the nearest major population center, is about 13 mi southwest of the road less area. The...
Metallogenic map of volcanogenic massive-sulfide occurrences in New Mexico
J. M. Robertson, M.S. Fulp, M.D. Daggett
1986, Miscellaneous Field Studies Map 1853-A
New Mexico volcanogenic massive-sulfide occurrences, which typically contain pyrite and pyrrhotite accompanied by variable amounts of base-metal sulfides and precious metals, are found within mainly subaqueous, compositionally bimodal metavolcanic successions of Early to Middle Proterozoic age that are exposed primarily in the north-central part of the state. Host rocks include...
Geologic map of parts of the Yaak River area, Lincoln County, northwest Montana
Earle Rupert Cressman, Jack Edward Harrison
1986, Miscellaneous Field Studies Map 1881
Seismic-reflection profiles of the New Madrid seismic zone-data along the Mississippi River near Caruthersville, Missouri
A. J. Crone, S.T. Harding, D. P. Russ, K. M. Shedlock
1986, Miscellaneous Field Studies Map 1863
The tectonic setting and the earthquake hazards of the New Madrid seismic zone in the northern Mississippi embayment have been the subject of intensive study the past several years as part of the Earthquake Hazard Reduction Program of the USGS (U.S. Geological Survey). These efforts have improved our knowledge of...
Geochemical maps of the Anaconda-Pintlar Wilderness, Granite, Deer Lodge, Beaverhead, and Ravalli counties, Montana
D. R. Zimbelman
1986, Miscellaneous Field Studies Map 1633-B
Maps showing aeromagnetic survey and geologic interpretation of the Lake Clark Quadrangle, Alaska
J. E. Case, W. H. Nelson
1986, Miscellaneous Field Studies Map 1114-E
Median-permeability contour maps of the J sandstone, Dakota Group, in the Denver Basin, Colorado, Nebraska, and Wyoming
D.K. Higley, D. L. Gautier
1986, Miscellaneous Field Studies Map 1837
The Lower Cretaceous J sandstone of the Dakota Group (MacKenzie, 1965) is present in the Denver basin in eastern Colorado, southeastern Wyoming, and southwestern Nebraska. This informally named unit deposited during a regression of the Cretaceous epi continental sea and is composed primarily of sandstone and shale of deItaic and...
