 | | Report (issue) | | STATE OF SOUTH DAKOTA Nils Boe, Governor MINERALOGY OF THE BLACK HILLS by WILLARD LINCOLN ROBERTS...Associate in Mineralogy Museum of Geology, South Dakota School of Mines and Technology and GEORGE RAPP...Department of Geology and Geological Engineering, South Dakota School of Mines and Technology With the Editorial...Mineralogy South Dakota School of Mines and Technology BULLETIN NUMBER 18 of the South Dakota School of...of Mines and Technology Rapid City, South Dakota PUBLICATIONS STAFF F. L. Partlo J. T. Thomas President |  | | Book | | logyoO0000grie &N ROADSIDE % JEOLOGY of South Dakota John Paul Gries Mountain Press Publishing...Gries, John Paul, 1911- Roadside geology of South Dakota / John Paul Gries. p. cm. Includes bibliographical...(pbk. : alk. paper) 1. Geology—South Dakota—Guidebooks. 2. South Dakota— Guidebooks. I. Title. QE163.G68...interpreting the details of the surface geology of South Dakota. My model is Nathaniel Horatio Darton, geologist...depth to groundwater in the western half of South Dakota. Even in this day of gadgetry, field studies |  | | Journal (issue) | | there. However, except for micaceous sandstone exposed near the south-west corner, the ground is heavy marl...Hills and May Hill. To the east strata of New Red Sandstone (Permo-Triassic) age crop out, and to the west...west are marls and sandstones of the Old Red Sandstone (Devonian). They are separated by a thin sequence...are absent. In the south of the area Silurian rocks near 11ay Hill, mainly of Ludlow and Wenlock age, have...occurs in the ploughing at Birches, 600m to the south in Ludlow strata, and this may be Ballard's Ore Piece |
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