Books by Richard L. Kasul:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Kasul, Richard L. (Richard Lawrence): Vertical, horizontal, and diel distribution of invertebrate drift in the lower Mississippi River (U.S. Army Engineer Waterways Experiment Station ;, 1987), also by David C. Beckett, Environmental and Water Quality Operational Studies (U.S.), United States Army Corps of Engineers, and U.S. Army Engineer Waterways Experiment Station (page images at HathiTrust)
Find more by Richard L. Kasul at your library, or elsewhere.