Round panoramic lookout maps (instructions for field work) by Emanuel Fritz. Originated by F.B. Knapp ... improved by field assistants of New Hampshire Forestry Commission. Introduced to Forest Service in 1915 by the author. The forerunner of the Osborne "Fire finder".
|Main Author:||Fritz, Emanuel, 1886-|
[Coeur d'Alene, Idaho, 1915-18]
A collection of articles (mostly typewritten) including a reprint from the Geographical review, vol. VI, no. 6, Dec. 1918, p. 501-503, with title: A combined map and panorama for orientation from lookout stations.
27 l.,  p.
illus., pl., fold. map.
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