Map of the mining-districts surrounding the townsite of Idaho-Springs, situate in Clear Creek County, Colorado / Theo. H. Lowe, C.E. ; Rollandet & Van Diest, draughtsmen, Denver, Colo.
MLA
Lowe, Theo. H. Map of the Mining-Districts Surrounding the Townsite of Idaho-Springs, Situate in Clear Creek County, Colorado / Theo. H. Lowe, C.E. ; Rollandet & Van Diest, Draughtsmen, Denver, Colo. s.n. , 1881. https://collections.library.yale.edu/catalog/15818459.
APA, 6th edition
Lowe, T. H. (1881). Map of the mining-districts surrounding the townsite of Idaho-Springs, situate in Clear Creek County, Colorado / Theo. H. Lowe, C.E. ; Rollandet & Van Diest, draughtsmen, Denver, Colo. [Maps]. s.n. , https://collections.library.yale.edu/catalog/15818459.