Box L43
Container
Contains 1 Result:
Turkey Gap Mine Coordinates, Wenonah No. 1, Inactive ledger, Turkey Gap Coal & Coke Co. Engineering Department, Wenonah Mine Traverse, 1918-ca. 1920s
Item — Box: L43
Scope and Contents
From the Series:
Series IV. Ledgers, 1916-1993, contains 42 boxes, totaling 45.02 cu. ft. It primarily consists of survey record books (not field notebooks). Many record "Survey By", "Traverse by", Notebook No., Page No., Station, Azimuth, Reduced Vernier, Cosine, Horizontal Distances, Sine, Latitude (North and South), Departure (East and West), Sums of Latitude (N&S) and of Departure (E&W), Remarks. N.B.: TT looks like pi sometimes.
Dates:
1918-ca. 1920s