List of Florida Local Government Offices For Sinkhole Research – List of websites for County Property Appraiser and County Planning & Development / Building Dept. These sites are one of our data sources.
Florida Department of Environmental Protection – The DEP has a sinkhole map based on the data it gathers. It has limited parcel data but a good data source for cross-checking.
Pennsylvania DCNA (Pennsylvania Department of Conservation & Natural Resources) – The DCNA has a database of sinkhole database.
tnlandforms.us – The original data came from the United States Geological Survey.
http://www.plotscan.com/ – Search for sinkholes near the address you input. Does not provide data at the property level but is a good data source for cross-checking.
How NOT TO Buy a Sinkhole House in Florida? – Sinkhole Research 101 – This blog post is packed with information on how to carry out sinkhole research.
http://www.floridapast.com – Came across this site while researching sinkhole history. If you love Florida historical souvenirs, this one is for you.