Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 977
NEAR THE 12th street bridge. • • •I THANK you … The above photo is of Louis D. Ehret,president of the Ehret Rock & SandCompany, who will ret.iil the crii^hrirock, washed gravel, rock screeningsand sand from the new mammoth rockand sand bunkers now being built b.vthe Pratt Hock & Gravel Company atthe 16th Street viaduct and A…
Architecture · Building · Construction industry · Engineering
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