1. South Dakota Yale Public content 1909. 2017-01-05T22:15:33Z. 2020-10-14T14:06:52Z. Peterson, E. Frank, author. E. Frank Peterson,Will A. Beach Printing Co. English. cartographic image. Public. South Dakota.
2. South Dakota Yale Public content 1909. 2002-06-01T04:00:00Z. 2017-12-12T19:30:13Z. Peterson, E. Frank. Will A. Beach Printing Co. English. Public. South Dakota.