2009.026.15.10034--ritzman 3.5x7 neg--CMStP&P-view of pontoon bridge over Mississippi River--Marquette IA--1933 0703. Looking south from highway bridge, barge tow passing through.
2009.026.15.10035--ritzman PC neg--CMStP&P--view of pontoon bridge B-380 over Mississippi River--Marquette IA--1948 0401. Looking south. Train in distance northbound.
2009.026.15.10036--ritzman PC neg--CMStP&P--view of pontoon bridge over Mississippi River--Marquette IA--1948 0401. Looking northeast.