Title
AFS_013
Subject
Forest management -- Slides.
Description
Locating fire with Alidade and segmented circle. Two or more stations report angle on which smoke is located. Intersecting lines on master-map oriented with those at lookout give location of blaze
Source
https://peegafilms.files.wordpress.com/2023/09/afs_0013.jpg
Publisher
US Forest Service
Rights
Copyright the University of Melbourne
Format
2x2 glass slide