Relief shown by hachures and spot heights. Prime meridians: Greenwich and Washington. Shows roads, railroads, county and township divisions. Listed on verso and accompanying sheet: Arizona railroads; Arizona counties, lakes, mountains, reservations, rivers, towns, etc.; Nevada railroads; Nevada counties, lakes, rivers and towns. Sheets numbered 289-292. 1 map: hand col.; 47 x 32 cm. Includes index sheet.