1. Periphyton biomass and community compositions as indicators of water quality in the Lower Grand River Hydrologic Unit, Missouri and Iowa, 2011-18 Author/Creator: Krempa, Heather M., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2021 Format: Book Access & Availability: Loading
2. Concentration comparison of selected constituents between groundwater samples collected within the Missouri River alluvial aquifer using purge and pump and grab-sampling methods, near the City of Independence, Missouri, 2013 Author/Creator: Krempa, Heather M., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2015 Format: Book Access & Availability: Loading