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Geologic map of the Weldona 7.5′ quadrangle, Morgan County, Colorado https://t.co/LS4tggZID8 https://t.co/DluoAP5n2g
Geologic map of the Weldona 7.5′ quadrangle, Morgan County, Colorado https://t.co/LS4tggZID8 https://t.co/DluoAP5n2g