TY - BOOK AU - Perisho,Ellwood Chappell AU - Visher,Stephen Sargent TI - A preliminary report upon the geography, geology and biology of Mellette, Washabaugh, Bennett and Todd counties, south-central South Dakota AV - QE163 .A3 no. 5 PY - 1912/// CY - [n.p.] KW - Geography KW - South Dakota KW - Biology ER -