This 1871 railroad map of Atchison shows the concentration, facing north of railroad lines (marked in red) running along the Missouri River and extending along the bluffs west out of town.

.Atchison & Nebraska R.R. City of Atchison Kans. Shewing the Line, Station Grounds & Connections with Mo. Pacific R.R., Cent. Branch U.P.R.R. Content Date: 1871 Author: Burt, H. G. Size: 70 x 214 cm. A Collection of Digitized Maps, Witchita State University (Link current May 1, 2003)