The county in which Helena is located. Photo of County Courthouse. Submap: City of Helena Vignette: County Courthouse. From Dawson's $15.00. Prime meridian: GM. Relief: shaded. Graphic Scale: Miles. Projection: Cylindrical. Printing Process: Lithography.
1 map ; printed col. ; 124 x 102 cm., sheet 133 x 106 cm.