Surveying the Grand Canyon of the Colorado :
an account of the 1923 boating expedition of the United States Geological Survey /
by Lewis R. Freeman.
APA Citation
Freeman, L. R. (Lewis Ransome). (1924). Surveying the Grand Canyon of the Colorado: an account of the 1923 boating expedition of the United States Geological Survey. [Washington: National Geographic Society].
MLA Citation
Freeman, Lewis R. (Lewis Ransome), b. 1878. Surveying the Grand Canyon of the Colorado: an Account of the 1923 Boating Expedition of the United States Geological Survey. [Washington: National Geographic Society], 1924.
Warning: These citations may not always be complete (especially for serials).