1. Drainage map, Lawrence County Indiana: prepared from 1938 AAA aerial photographs Maps Public content 1938. Aretz, R. and Magnusson, L. R. Blue line print. '1953.' 'Prepared by L.R. Magnusson.' 'Drawn by R. Aretz.' Scale approximately 1:63,360.; Polyconic projection By Joint Highway Re... Joint Highway Research Project, Purdue University.