Alden, J. M., & Stenzel, F. (1859). "The Three Brothers. 4000 ft. high with distant view of the big falls. Valley of the Yo-Semite.".MLA Citation
Alden, James Madison, and Franz Stenzel. "The Three Brothers. 4000 Ft. High With Distant View of the Big Falls. Valley of the Yo-Semite.". 1859.