Browse Items (1888 total)

(forest) - damaged slide

A sprinkler tank at work putting water on the log road to be frozen into ice to make a solid Batteau

Ranger and 20HP Ford Roadster fitted with flanged wheels for use on San Joaquin & Eastern RR

(logging)

(log loader)

Mode ofclimbing trees to gather big cone spruce seeds. Santa Anita Canyon

Logging train of the Milwaukee Lumber Co. operating in fire killed white pine on Big Creek, St Joe N.F. log loader on rear of train

Waldspiel, selection forest

Forest officers at timber line on San Francisco peaks

Coyote proof pasture, 8 Miles sq, covering 2,500 acres: 1300 acres heavy forest, 400 open timber, 800 scab glades & small meadows. 1200 ewes & lambs (1000 head) are in the enclosure

Forest ranger locating distant forest fire on the map, Mt. Silcox lookout station, Cabinet N.F.

Fire lookout station, El Dorado N.F.

Waldspiel, showing dominant co-dominant and suppressed trees.

Brush piles on cut-over area

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

(factory chimneys)

One of four planting crews planting Jack Pine bt trencher method, Neb N.F.

Waldspiel - group system

A log road newly 'scraped' note the depth of snow on each side the width between runners of sleds used on this road is 8ft, bunk 16 feet long, Minn.N.F.

(factory)