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Geology and ground-water resources of Laramie County, Wyoming
Marlin E. Lowry, Marvin A. Crist, John R. Tilstra
1967, Water Supply Paper 1834
Laramie County, an area of 2,709 square miles, is in the southeast corner of Wyoming. Rocks exposed there range in age from Precambrian to Recent. The most extensive aquifers in the county are the White River Formation of Oligocene age, which is as much as 500 feet thick and consists...
Geology and petrology of the Greenville quadrangle, Piscataquis and Somerset Counties, Maine
Gilbert H. Espenshade, Eugene L. Boudette
1967, Bulletin 1241-F
In the Greenville quadrangle, west-central Maine, slate, siltstone, and sandstone (calcareous and noncalcareous) of probable Silurian to Early Devonian age are intruded by a large mafic pluton and two granitic stocks of probable Early Devonian age. Ages of the sedimentary rocks are based upon tentative correlations with fossiliferous beds in...
Map of southeastern Maine showing heavy metals in stream sediments
Edwin V. Post, William L. Lehmbeck, William H. Dennen, Gary A. Nowlan
1967, Miscellaneous Field Studies Map 301
This map presents the initial results of a geochemical reconnaissance of stream sediment in southeastern Maine. Its purpose is to identify metal-rich areas that might be favorable for further detailed exploration. ...