1. Discharge ratings for control gates at Mississippi River lock and dam 12, Bellevue, Iowa Author/Creator: Heinitz, Albert J., author Publication/Creation: Iowa City, Iowa : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
2. Discharge ratings for control gates at Mississippi River Lock and Dam 22, Saverton, Missouri Author/Creator: Heinitz, Albert J., author Publication/Creation: Iowa City, Iowa : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading