Volume 97, Number 2 (1990)
Issue cover date: June 1990
Front Matter
Research
Characteristics of Channel Catfish Populations in Streams and Rivers of Iowa with Varying Habitats p. 37-45
Vaughn L. Paragamian
A Survey of the Benthic Macroinvertebrates of the Big Spring Basin, Iowa p. 46-54
Jack O. Kennedy and John G. Miller III
Rare Iowa Plant Notes from the R. V. Drexler Herbarium p. 55-73
Jeffery C. Nekola
Back Matter
