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United States. War Department

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Mammoth Tree
Mammoth Tree "Beauty of the Forest." Sequoia gigantea, Torrey

Mirage on the Colorado Desert
Mirage on the Colorado Desert

Metamorphic Rocks - Borders of the Desert
Metamorphic Rocks - Borders of the Desert

U.S.P.R.R. Explorations and Surveys War Department Geological Map of the country between San Diego and the Colorado River California
U.S.P.R.R. Explorations and Surveys War Department Geological Map of the country between San Diego and the Colorado River California

Valley in the Slope of the Great Basin Leading from the Tejon Pass
Valley in the Slope of the Great Basin Leading from the Tejon Pass

Geological Map of the Tejon Pass & Cañada de las Uvas and the Vicinity. Including the pass of San Francisquito & Williams Pass.
Geological Map of the Tejon Pass & Cañada de las Uvas and the Vicinity. Including the pass of San Francisquito & Williams Pass.

Rounded Hills, Tertiary. (Between Ocoya Creek and Posuncula River)
Rounded Hills, Tertiary. (Between Ocoya Creek and Posuncula River)

Sections 1.2.3. Plate I
Sections 1.2.3. Plate I

Geological Map of the Vicinity of San Francisco.
Geological Map of the Vicinity of San Francisco.

Ravines in the bed of the Ancient Lake.
Ravines in the bed of the Ancient Lake.