The San Gabriel Mountains Trailbuilders (SGMTBs) is a 501(c)(3) non-profit volunteer organization which performs hiking and nature trail building and maintenance within the Los Angeles Gateway District[1] of the United States Forest Service which maintains the Angeles National Forest within the San Gabriel Mountains.
The organization works closely with the United States Forest Service from which the Trailbuilders volunteers get their safety oversight and general schedule for tasks and projects which are performed during the year.
^Los Angeles Gateway District [1] Accessed 2018-09-13
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located in the SanGabrielMountains of Southern California, administered by the SanGabrielMountains National Monument (formally the SanGabriel River Ranger...
National Forest and San Gabriel Mountains National Monument. The area lies on the southern slopes of the SanGabrielMountains, between the Angeles Crest and...
SanGabrielMountains and Sierra Pelona Mountains, primarily within Los Angeles County in southern California. The ANF manages a majority of the San Gabriel...
by the City of Duarte, the U. S. Forest Service, and the SanGabrielMountainsTrailbuilders along with other representatives from various agencies was...
by the City of Duarte, the U. S. Forest Service, and the SanGabrielMountainsTrailbuilders along with other representatives from various agencies was...
dedicated volunteers committed to saving lives in the wilderness SanGabrielMountainsTrailbuilders — California's elite hiking and nature trail repair group...
2023-09-21. Retrieved 2019-12-04. Johnston, Hank (1968). Thunder in the Mountains: The Life and Times of Madera Sugar Pine. Trans-Anglo Books. p. 11. ISBN 0-87046-017-X...
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