Agriculture--Kentucky.

Scope and Contents The Mason & Hanger Historical Records consist of company records that were in storage for many years and considered "historical" by the new parent company, Day & Zimmermann. As there was no order to the material, an order has been imposed that we believe is useful for access and which is essentially alphabetical by project. The projects include: Boston Traffic Tunnel, Brooklyn Battery Tunnel, Camp Zachary Taylor, Cannelton Locks and Dam, Carquinez Bridge, Fort Randall Dam, Gateway...