The official map of Lewis & Clark Co., Montana : compiled from the latest official records by order of the Board of County Commissioners
Lewis and Clark County (Mont.)--Maps.
Van Hook, John C.
Northern tip of county printed in separate segment. Shows towns, villages, railroads, roads, dams, rivers, creeks, national forests.; Relief indicated by hachures.; Inset map (scale ca. 1:24,000) shows city of Helena and vicinity. Border illustration of county courthouse.
Lord Baltimore Press
1 map : col. ; 148 x 101 cm. on sheet 132 x 106 cm.