The Warren Heckrotte Map Collection includes over 150 maps primarily of the American West. The collection has a strong focus on maps from the California gold rush as well as early exploration of the American West including coastal exploration. The maps range in date from 1734 to 1916. Filehttps://purl.stanford.edu/vv697py4750PublicWarren Heckrotte Map CollectionCollectionsStanford