2021.001.N.024-22--ralph wehlitz 35mm neg--CMStP&P--approach and pontoon bridge on Mississippi River--Marquette IA--1959 0800
2021.001.N.024-23--ralph wehlitz 35mm neg--CMStP&P--approach and pontoon bridge on Mississippi River--Marquette IA--1959 0800
2021.001.N.027B-20--ralph wehlitz 35mm neg--CMStP&P--depot--Elkhorn WI--c1961 0000
