1. H69.38.1740 Object number: H69.38.1740 Object name: map Title: Marsh land - copy from U.S. Coast Survey Date made: 1875-1900
2. H69.38.1800 Object number: H69.38.1800 Object name: field notes Title: Survey no. 3401 for W.A. Piper, Esq. Survey of a tract of marshland south of Alameda Maker: William F. Boardman Date made: 1888
