- Groundwater Contamination in the United States
- Surface Water Quality: Have the Laws Been Successful?
- Rivers of the United States, Volume II: Chemical and Physical Characteristics
- Diatoms of the United States Exclusive of Alaska and Hawaii Volume 1, Fragilariaceae, Eunotiaceae, Achnanthaceae, Naviculaceae
- The Diatoms of the United States Exclusive of Alaska and Hawaii, Volume 2, Part 1