STATE OF FLORIDA DEPARTMENT OF ENVIRONMENTAL PROTECTION Colleen M. Castille, Secretary DIVISION OF RESOURCE ASSESSMENT AND MANAGEMENT Edwin J. Conklin, Director FLORIDA GEOLOGICAL SURVEY Walter Schmidt, State Geologist and Chief SPECIAL PUBLICATION NO. 57 Geological and Geotechnical Investigation Procedures For Evaluation of the Causes of Subsidence Damage In Florida Compiled by Walt Schmidt Published by the Florida Geological Survey Tallahassee, Florida 2005 -7-IIP~iAPPPP~I~~ I