Rock Creek Lake, Montana.

Chicago citation style
Rock Creek Lake, Montana.. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll91/id/305. (Accessed July 4, 2020.)
APA citation style
Rock Creek Lake, Montana.. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll91/id/305
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll91/id/305>.
Note: These citations are programmatically generated and may be incomplete.