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Publication Extents

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Geology of the Windsor quadrangle, Massachusetts
Stephen A. Norton
1967, Open-File Report 67-170
The Windsor quadrangle lies on the boundary between the eugeosynclinal and miogeosynclinal rocks of the Appalachian geosyncline on the western flank of the metamorphic high in western New England. Precambrian rocks crop out in a north-trending belt in the central part of the quadrangle. They have been classified into 2 formations....
Some engineering geology problems at Mammoth Cave National Park, Kentucky
Frank W. Osterwald
1967, Open-File Report 67-173
The U.S. Geological Survey, at the request of the rational Park Service, participated in a field symposium May 22-26, 1967, at Mammoth Cave National Park, Kentucky. This symposium, held by the National Park Service, was to determine the applicability of the Wilderness Act of 1964 to underground and surface portions...
Petrography of the Athol quadrangle, Massachusetts
Anita Louise Mook
1967, Open-File Report 68-185
The Athol quadrangle of north-central Massachusetts is underlain by high-grade metamorphosed amphibolites, gneisses, schists, calc-silicate gneisses, quartzites, and orthogneisses. These include the Monson Gneiss of Middle Ordovician or older age, the Partridge Formation of Middle Ordovician age, and the Middle to Late Devonian Hardwick Granite of the New Hampshire Plutonic...