|Coverage of the Mississippi Basin Model. From the USACE, undated.|
Some earlier articles about the Basin Model (click to see the articles):
These photographs are on Kodak TMax 100 film, exposed at ISO 80 and developed by Praus Productions in XTOL developer. I used a compact Olympus Trip 35 camera, a tiny thing with a selenium photocell exposure metering system and an excellent 40mm f/2.8 Tessar-type lens.