The L-31N project was spilt into two seperate projects, a data acquisition project and an interpretive project. The objectives of the data acquisition project was to provide the on-site geologic expertise while the four coreholes and the deepest well in each cluster were drilled and constructed, and to complete the downhole geophysical logging including video and flow meter logging of these boreholes. The objective of the data interpretation project was to provide the PDT with detailed hydrogeologic information in order to understand the movement of water in the Surficial aquifer along the L-31N levee and delineate the lithology and hydrostratigraphy of the rocks and sediments underlying the levee.
Carlson, Janine L., Wingard, G. Lynn , Robinson, Edward, Wacker, Michael A.
Wacker, Michael A., Robinson, Edward, Gefvert, Cynthia J., Krupa, Steven L.
McNeill, Donald F., Guertin, Laura A., Ciesielski, Paul F., Scott, Thomas M., De Verteuil, Laurent
Carlson, Janine I., Hurley, Neil F.
Locker, Stanley D., Hine, Labert C., Bukry, David, Barron, John A., Guertin, Laura A.
Cunningham, Kevin J., Perry, Sue A.
Locker, S.D., Hine, A. C., Bukry, David, Barron, J. A., Guertin, L. A.
Bukry, David, Sato, Tokiyuki, Barron, John A., Guertin, Laura A., Reese, Ronald S.
Thomas M. Missimer and Thomas M, Scott, eds
Monitored the drilling contractor for adherence to the work order specifications including environmental limitations/requirements, borehole development, and well construction, Collected, labeled, and stored all geologic samples (cores and liners from SPTs), Described geologic samples in field log book, and Summarized hydrogeologic data and other information from the wells and provided it to the USGS Water District staff.
South Florida Water Management District (SFWMD) responsibilities:
Contracted with licensed drilling contractor to install monitor wells and coreholes, Coordinated schedule with drilling contractor and the USGS staff, Was available to meet with or talk with on-site geologists to discuss the new data and select well screen intervals, and Provided timely review and comments/approval of deliverables.
USGS responsibilities:
Provided personnel and equipment, including geophysical tools, flow meters, and video tools required to complete the project, Monitored the performance of the drilling contractor to assure adherence to the established scope of work, Used USGS geophysical tools, flow meters, and video tools to log four coreholes and the deepest well in each cluster, Provided lithologic and geophysical data and other information to SFWMD staff to select well-screen interval depths and make other geotechnical decisions, Provided deliverables including digital logs, MPG file (mini-movie of borehole video), and computed vuggy porosity logs Calibrated geophysical log data to seismic reflection profiles using newly acquired sonic velocity data,
The USGS:
Provided personnel and equipment, including appropriate software necessary to complete the project, Provided USGS hydrostratigraphic data as needed to complete the project., Provided as deliverables six log montages and a hydrostratigraphic cross section as an Open-File report in the form of a plate, and Presented the findings to the PDT.
U.S. Department of the Interior, U.S. Geological Survey, Center for
Coastal Geology
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