Boulder County : Left Hand Canyon photograph, 1911. 1911.
Related Entities
There are 3 Entities related to this resource.
Edwin Tangen (Boulder, Colo.),
http://n2t.net/ark:/99166/w6bh3f0m (corporateBody)
Bruning, Robert L., 1885-1962.
http://n2t.net/ark:/99166/w6bk3072 (person)
Bruning, Francis H., 1887-1974.
http://n2t.net/ark:/99166/w6j693dw (person)