Geology topics
A. H. Chen
Publications and source records attributed to A. H. Chen.
The chemical quality of overbank sediment deposited by the 1993 floods and streambed sediment in major streams at selected sites in eastern Nebraska
No abstract available.
Open-File Report↗
Distribution of selected nitrogen compounds in ground water and the unsaturated zone, Superior-Hardy Special Protection Area, Nuckolls County, Nebraska, 1991-93
Explore the source record for details and available documents.
Water-Resources Investigations Report↗