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A Movable, Constant-Orientation, Lookout Mapboard

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Abstract:

In the location of fires from lookout towers by means of alidade and map, there is always a possibility that the line of sight from a fixed map to the fire will be obstructed by a structural member (corner posts, etc.) of the lookout cabin. To avoid this, maps are sometimes mounted on boards which can be moved about the table top, orienting the map by pressing the board against strips fastened to the table top. Wear and loosening of these orientation strips and the possibility of not fitting the board to them properly contribute to inaccurate location of fires. A method of mounting mapboards, free of these disadvantages, is described below. This method was developed by the author while at the California Forest Experiment Station.

Document Type: Journal Article

Affiliations: Associate Silviculturist, Northeastern Forest Experiment Station

Publication date: February 1, 1935

More about this publication?
  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
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