Subject: Two men standing at the entrance of "New" tunnel, Level 7, Horseshoe Mesa copper mine, Grandview.
Date: ca. 1907
Collection: Grand Canyon National Park (No. 9833).
Subject: Two men standing at the entrance of "New" tunnel, Level 7, Horseshoe Mesa copper mine, Grandview.
Date: ca. 1907
Collection: Grand Canyon National Park (No. 9833).