|Title||Superior National Forest, Telephone line survey|
Map Superior National Forest for 1920 Telephone survey lines. Contains lookout locations, forestry telephones, etc. Copy of original, owned by Clare Twiest Terrizzi
Superior National Forest Map; Fourth Principal Meridian 1920
Map shows location of U.S.F.S telephone lines, telephone instruments, tool caches, L.S.F.P camp, lookouts, food supplies.
Compiled at District Office, Denver, 1919 by H.E. Sealing; Traced at Washington office by Phyllis Dennee, 1920
Superior National Forest
Telephone survey lines
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