http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Places in Connecticut where ground water is known to have deteriorated in quality
includes major aquifers, wells that yield impaired or contaminated water, and areas susceptible to salt-water intrusion
Miscellaneous field studies (Geological Survey (U.S.)) ; map MF-981-G