Geology
Subject
Subject Source: Library of Congress Subject Headings
Found in 1 Collection or Record:
A-34-090-A -- Geologic Plans and Sections to Accompany Report by A.B. Yates, 1931-04-01
Item — Cabinet Multi-Drawer A, Drawer: 34, Folder: 1
Scope and Contents
Homestake Mining Company, Lead, South Dakota, Homestake Mine Geologic Plans and Sections to accompany report by Arthur Bruce Yates, April 1, 1931. These maps are all Blackline paper copies with the geology hand-colored on maps 1 through 16 plus 18 only.1. Title Sheet with Legend (Note grades are in dollars per ton based on a gold price of $20.67 per troy ounce)
2. Detailed Geology, 500 Level Caledonia, Scale is 1"=50'
3. Detailed Geology, 1850 Level Caledonia, Scale is 1"=50'
4....
Dates:
1931-04-01