Mineral resource potential map of the Ryan Hill Roadless Area, Socorro County, New Mexico
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Miscellaneous Field Studies Map↗
Geology topics
C. E. Ellis
Publications and source records attributed to C. E. Ellis.
Mineral resource potential map of the Sangre de Cristo Wilderness study area, south-central Colorado
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Miscellaneous Field Studies Map↗
Mineral resource potential map of the Fossil Springs Roadless Area, Yavapai, Gila, and Coconino counties, Arizona
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Miscellaneous Field Studies Map↗
Map showing geology and mineral resource potential of the Oh-Be-Joyful Wilderness Study Area, Gunnison County, Colorado
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Miscellaneous Field Studies Map↗
Mineral resource potential map of the Kanab Creek Roadless Area, Coconino and Mohave counties, Arizona
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Miscellaneous Field Studies Map↗