Preliminary Isostatic Residual Gravity Map of the Tremonton 30' x 60' Quadrangle, Box Elder & Cache Counties, Utah, and Franklin & Oneida Counties, Idaho (MP 14-2) Colorado River History surficial and bedrock geologic mapping

surficial and bedrock geologic mapping

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and Sunnyside are presented as the principal areas containing most of the tar-sand resource

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Preliminary Isostatic Residual Gravity Map of the Tremonton 30' x 60' Quadrangle, Box Elder & Cache Counties, Utah, and Franklin & Oneida Counties, Idaho (MP 14-2) Colorado River History surficial and bedrock geologic mappingBy: V. E. Langenheim, R. Q. Oaks, H. Willis, A. I. Hiscock, B. A. Chuchel, J. Rosario, and C. L. Hardwick A new isostatic residual gravity map of the Tremonton 30' x 60' quadrangle of Utah is based on compilation of preexisting data and new data collected by the Utah and U. S. Geological Surveys. Pronounced gravity lows occur over North Bay, northwest of Brigham City, and Malad and Blue Creek Valleys, indicating significant thickness of low density