[IOWA]. A group of 4 pocket maps of Iowa comprising: A Township Map of the State of Iowa. Fairfield, Iowa, and Philadelphia: Henn. Williams & Co., R.L. Barnes, 1854. Hand-colored steel engraved map, image 522 x 863 (540 x 884 sheet), folded into original publisher's gilt- and blind-stamped cloth covers (148 x 92 mm). Provenance: THOMAS W. STREETER COPY. The map features no given scale, but the scale is approximately 12 miles per inch. Streeter Sale 3893 (this copy). -- Parker's Sectonal & Geological Map of Iowa. Exhibiting her Iron Lead Copper Coal and other Geological resources. New York and Chicago: J.H. Colton, Keen & Lee, 1856. Hand-colored double-page steel engraved map, image 802 x 1143 (825 x 1179 sheet), folded into original publisher's gilt- and blind-stamped cloth covers (160 x 105 mm). -- Wells' Pocket Hand-Book of Iowa; Past, Present, and Prospective. New York: John G. Wells, 1857. 16o (150 x 100 mm). Hand-colored steel engraved map, image 290 x 366 mm (301 x 401 sheet), 2 steel engraved maps of railroads. Original publisher's gilt- and blind-stamped cloth. -- COLTON, J.H. A Guide to the Territory of Iowa with a correct map. New York: J.H. Colton, 1840. 16o (122 x 79 mm). Hand-colored steel engraved map, image 419 x 276 mm (436 x 298 mm sheet), folded into original publisher's gilt- and blind-stamped cloth. -- Condition varies. (4)