TY - RPRT TI - Geophysical investigation of sentinel lakes in Lake, Seminole, Orange, and Volusia Counties, Florida AU - Christopher Reich AU - James Flocks AU - Jeffrey Davis PY - 2012 DO - 10.3133/ofr20121201 UR - https://pubs.usgs.gov/publication/ofr20121201 ID - ofr20121201 ER -