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APA Citation

William P. Blake Ackerman Lith., N. Y. [U.S.P.R.R. Exp. & Surveys. CAL.] Section 5, Sheet III. Geological Section of the Sierra Nevada at the Tejon Pass Explored by Lieut. R.S. Williamson Corps of Topl. Engrs. 1853 Prepared in the Office of Pacific Rail Road Explorations & Surveys War Departm.

MLA Citation

William P. Blake Ackerman Lith., New York. [U.S.P.R.R. Exp. & Surveys. CAL.] Section 5, Sheet III. Geological Section of the Sierra Nevada At the Tejon Pass Explored By Lieut. R.S. Williamson Corps of Topl. Engrs. 1853 Prepared in the Office of Pacific Rail Road Explorations & Surveys War Departm.

Warning: These citations may not always be 100% accurate.