This report contains general background information about the John H. Kerr project, which comprises a retaining structure, Buggs Island Dam, and a backwater protection structure, Island Creek Dam. It also provides more detailed information about the design, construction, and prototype observation of each of the dams.

From addendum: . Part 3 of Technical Report CERC-83-1 describes the general cartographic process used to produce the shoreline position digital data base and maps from which the attached set of 18 composite shoreline position map reproductions were made. The report also describes quality control methods, potential error sources, and probable ranges of error for this process.

From preface: "This report contains the results of investigations of the chemical and sedimentological characteristics of the James River Artificial Habitat Development Site and a reference marsh near Windmill Point, Virginia. Studies were conducted in the channel before dredging and during site construction as well as at specific time intervals after marsh development."

Abstract: "Results of an investigation conducted to determine the engineering feasibility of using dredged material to expand an existing marshland area are presented. Dredged material obtained from maintenance dredging operations was found suitable for use as marsh substrate and site conditions were found adequate for construction of a containment facility. Factors evaluated in the study include site-specific feasibility of marsh expansion using dredged material, sizing of the demonstration area to meet water-quality and storage needs, preliminary design of the containment facility, procedures for the placement of dredged material, and identification of alternative construction methods, materials, and costs. Overall feasibility of marsh expansion was demonstrated and additional investigations were recommended for the project."

This report follows the Windmill Point marsh habitat development project. The marsh was constructed in the James River between November 1974 and February 1975, then studied for benthic invertebrates, fish, wildlife, plants and soil characteristics from the summer of 1976 to fall of 1977.

This summary report is part of a series documenting the field site investigations conducted by the Habitat Development Project initiated to study for more definitive information on the environmental impact of dredging and dredged material disposal operations. This report documents tasks such as: (a) Effects of Marsh and Terrestrial Disposal, (b) Marsh Development, (c) Terrestrial Habitat Development, (d) Aquatic Habitat Development, and (e) Island Habitat Development.

Appendix containing statistical data gathered on Notropis Hudsonius (spottail shiner) to accompany a report on the environmental impacts of marsh development with dredged material as part of a study on the feasibility of marsh development using dredged material at the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing tabulated results of avifauna observed during the study period to accompany a report on the environmental impacts of marsh development with dredged material as part of a study on the feasibility of marsh development using dredged material at the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing supplementary data from an experiment conducted to examine variance in physical and chemical variables made at a naturally occurring marsh and an artificially made experimental marsh. It accompanies a report on habitat development field investigations of the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing a listing of nekton catch data by collection of sample, and species to accompany a report on the environmental impacts of marsh development with dredged material as part of a study on the feasibility of marsh development using dredged material at the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing tabulated results of data gathered on species occurrence and number of food organisms from selected Nekton species arranged by total length intervals to accompany a report on the environmental impacts of marsh development with dredged material as part of a study on the feasibility of marsh development using dredged material at the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing tabulated results of adundance and diversity measures for macrobenthos in 160 square centimeter samples to accompany a report on the environmental impacts of marsh development with dredged material as part of a study on the feasibility of marsh development using dredged material at the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing supplementary statistical data to accompany a report on habitat field investigations of the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing the dry weight measurements of macrobenthos biomass in samples collected to accompany a report on the environmental impacts of marsh development with dredged material as part of a study on the feasibility of marsh development using dredged material at the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing descriptions of gear used in the Nekton sampling of fauna to accompany a report on the environmental impacts of marsh development with dredged material as part of a study on the feasibility of marsh development using dredged material at the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing supplementary data of the abundance of macrobenthos in samples to accompany a report on the environmental impacts of marsh development with dredged material as part of a study on the feasibility of marsh development using dredged material at the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing supplementary data of Nekton water quality data to accompany a report on the environmental impacts of marsh development with dredged material as part of a study on the feasibility of marsh development using dredged material at the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing statistical data gathered on the Erimyzon Oblongus (Creek Chubsucker) to accompany a report on the environmental impacts of marsh development with dredged material as part of a study on the feasibility of marsh development using dredged material at the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing summary statistics of Morone americana (white perch) to accompany a report on the environmental impacts of marsh development with dredged material as part of a study on the feasibility of marsh development using dredged material at the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing supplementary analytical data to accompany a report on habitat development field investigations of the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing supplementary analytical data gathered at Nekton Station to accompany a report on the environmental impacts of marsh development with dredged material as part of a study on the feasibility of marsh development using dredged material at the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing site, frequency, and resident type for Avifauna observed to accompany a report on the environmental impacts of marsh development with dredged material as part of a study on the feasibility of marsh development using dredged material at the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing an assessment of vegetation on a dredged material island located near Windmill Point in the freshwater tidal reach of the James River. It accompanies a report on habitat development field investigations of the Windmill Point Marsh Development Site, James River, Virginia.

Appendix containing statistical data gathered on the Fundulus Heteroclitus (Mummichog) to accompany a report on the environmental impacts of marsh development with dredged material as part of a study on the feasibility of marsh development using dredged material at the Windmill Point Marsh Development Site, James River, Virginia.