Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.

Photographer: Barry Swackhamer
Taken: April 1, 2016
Caption: Greathouse Portal Marker
Additional Description: Captions: (bottom left) Greathouse Portal as it appeared in the late 1970s. In 2012, after being closed for four due to storm damage, work was completed on the new portal allowing visitors access once again.; (bottom center) Miners toiled to remove silica sand, leaving behind nearly eight miles of underground workings.; (bottom right) The sand bunker at Greathouse Portal at the lower most level of Hazel-Atlas Mine as it appeared circa 1948. From the early 1920s to the mid-1940s, silica sand was mined at this site and transported to the Hazel-Atlas Glass Company factory in Oakland, California, where it was used to make glass products.
Submitted: April 5, 2016, by Barry Swackhamer of Brentwood, California.
Database Locator Identification Number: p348685
File Size: 3.339 Megabytes

To see the metadata that may be embedded in this photo, sign in and then return to this page.