Geologic Map of the Grassy Lake Reservoir Quadrangle, Yellowstone National Park and Vicinity, Wyoming

GQ-1459 Geologic map of the Grassy Lake Reservoir Quadrangle, Yellowstone National Park and vicinity, Wyoming, scale 1:62,500, 1978, ISBN 978-0-607-75487-2 Keywords: Park county, Geologic map, Bedrock, Yellowstone