Mountainous topography of mica schist and limestone on Robert Creek. Alaska. circa 1899.
Dates
Date Taken
1899
Summary
Album caption: Mtnous. topog. of mica schist and limestone, on Robert Creek, near headwaters of Koyukuk River, 652 miles above its mouth. From Horace Peak, 6000 ft. Looking S. 85 de. E. showing Sheep Creek Valley. No index card.
Summary
Album caption: Mtnous. topog. of mica schist and limestone, on Robert Creek, near headwaters of Koyukuk River, 652 miles above its mouth. From Horace Peak, 6000 ft. Looking S. 85 de. E. showing Sheep Creek Valley.
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Available in the U.S. Geological Survey Denver Library Photographic Collection, Schrader, F.C. Collection.
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