TY - BOOK AU - Newton, John G., CN - QE75 CN - GB609.2 CN - QE75 CY - [Reston, VA] : DA - 1987. ID - 120806 KW - Sinkholes KW - Sinkholes KW - Sinkholes LK - http://purl.access.gpo.gov/GPO/LPS102263 N1 - Shipping list no.: 87-0191-P. PB - U.S. Geological Survey, PP - [Reston, VA] : PY - 1987. T1 - Development of sinkholes resulting from man's activities in the eastern United States / TI - Development of sinkholes resulting from man's activities in the eastern United States / UR - http://purl.access.gpo.gov/GPO/LPS102263 VL - 968 ER -