Map of the Straits of Florida and Gulf of Mexico, Andrews, 1852

Map of Ohio, Michigan Indiana, and Kentucky

2 blue base maps, Positions of Magnetic Stations & Routes of Leveling, 1893

Comparative Map of Cape Cod Harbor & Cape Cod Harbor , 2 maps, 1892

Progress of the Triangulation Between Eastern Utah and Western Nevada, 1894

Triangulation in Wisconsin and Minnesota, 1893

Triangulation in California, 1893

Map of Alaska, 1888