Opening to semi-subterranean structure at the Yosemite Round House

Chicago citation style
Opening to semi-subterranean structure at the Yosemite Round House. 1974. Retrieved from the Digital Public Library of America, http://archives.csuchico.edu/cdm/ref/collection/coll42/id/4853. (Accessed December 15, 2018.)
APA citation style
(1974) Opening to semi-subterranean structure at the Yosemite Round House. Retrieved from the Digital Public Library of America, http://archives.csuchico.edu/cdm/ref/collection/coll42/id/4853
MLA citation style
Retrieved from the Digital Public Library of America <http://archives.csuchico.edu/cdm/ref/collection/coll42/id/4853>.
Note: These citations are programmatically generated and may be incomplete.