Geology of the Edgemont quadrangle, Fall River County, South Dakota
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Bulletin↗
Geology topics
John Donald Ryan
Publications and source records attributed to John Donald Ryan.
Structure contours on top of the Fall River sandstone, NE corner of the Edgemont quadrangle, Fall River County, South Dakota, fig. 9
No abstract available.
South Dakota↗
Preliminary geologic map of part of the Edgemont quadrangle, Fall River County, South Dakota, figure 8
No abstract available.
South Dakota↗