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Geology and Mineral Resources of the Northern Part of the North Cascades National Park, Washington
Mortimer Hay Staatz, Rowland W. Tabor, Paul L. Weis, Jacques F. Robertson, Ronald M. Van Noy, Eldon C. Pattee
1972, Bulletin 1359
The northern part of the North Cascades National Park in northern Washington is north of the Skagit River between Mount Shuksan on the West and Ross Lake on the east. The area occupies approximately 500 square miles of steep mountains and thickly forested valleys centered on the precipitous Picket Range. Old...
Cenozoic rocks of the Santa Rita Mountains, southeast of Tucson, Arizona
Harald Drewes
1972, Professional Paper 746
The Santa Rita Mountains of southeastern Arizona are underlain, in part, by volcanic and sedimentary rocks and by many small intrusives, of Cenozoic age. These rocks provide a more complete geologic record than that of other ranges in the region, and consequently the Santa Rita Mountains are a useful reference...