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details of terrain, and at significantly lower costs than traditional ground surveys. One newspaper article, in 1938, explained the advantages of aerial photography: "Two hundred square miles can be mapped by a plane in a day, and a mapping crew of 10 to 12 men would do well to map 300 square miles
161:, focusing on aircraft production research. This research, along with his map-making skills, and experience in the Forest Service could have been what spurred Yule to imagine a pairing of aircraft and photography for the purposes of forest management. Similarly, during
150:. In 1917, Yule was transferred to the Forest Service's division of engineering, where he was promoted to chief of maps and surveys, a position he held for thirty years until his retirement in 1947.
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As the chief of maps and surveys, Yule married his skill and knowledge of map-making with his World War I experiences in aircraft research by the mid-1920s. He pioneered the development of
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in an entire season." The benefits of aerial photography were not confined to forestry use. Aerial photography, Yule argued, benefited non-forestry related endeavors as well, such as
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for the purpose of forest management and controlling wildfires. Yule spent the majority of his 36-year career in the United States Forest
Service in Region One, headquartered in
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Yule retired on
September 1, 1947, after 36 years of service with the Forest Service, 30 of which he spent as chief of maps and surveys in the engineering division of
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111:. His contributions revolutionized forest service knowledge and capabilities during the early years of the United States Forest Service's existence.
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skill was already apparent, as evinced by his creation of a hand-drawn campus map for an engineering course, dated
February 1, 1906.
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shortly after his promotion, Yule was given a special assignment with the forest products laboratory in
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446:"Plane Mapping Topic of Talk By James Yule: This Region Is Pioneer In Aerial Photography Official Says"
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coastline. Shortly after, however, Yule was reassigned to the emergency rubber project in
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Sometime in the early-1920s, Yule met
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236:. James Yule died June 4, 1957, in Missoula, Montana, at the age of 73.
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315:"U.S., Draft Registration Cards, 1917–1918 for James Blaine Yule"
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Material was copied from this source, which is available under a
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369:"James B. Yule in the Washington, Marriage Records, 1854–2013"
290:"U.S., Draft Registration Cards, 1942 for James Blaine Yule"
173:. Japanese blockades effectively led to a U.S. shortage on
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477:, University of Montana Archives and Special Collections
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Creative
Commons Attribution 4.0 International License
95:(February 21, 1884 – June 4, 1957) was an American
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263:"Archives West: James B. Yule Papers, 1905–1997"
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343:"James Yule, Forester, Is Retired"
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475:James B. Yule Papers, 1905-1997
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424:The Helena Independent Record
533:University of Montana alumni
518:United States Forest Service
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16:American forestry engineer
265:. Orbis Cascade Alliance.
234:Forest Service Region One
63:Chief of Maps and Surveys
394:"Margaret Yule Obituary"
489:, University of Montana
487:James B. Yule Biography
123:. Yule enrolled at the
190:Snohomish, Washington
125:University of Montana
528:Aerial photographers
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196:Professional career
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202:aerial photography
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523:Photogrammetrists
210:forest management
109:Missoula, Montana
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