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EARTHQUAKES
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Gale, Marjorie and George
Springston, 1998, Earthquakes in Vermont, Educational
Leaflet No. 1, Vermont Geological Survey: Waterbury, Vermont.
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Kafka, Alan L., 2000,
Public Misconceptions About Faults and Earthquakes
in the Eastern United States: Is it our own fault? in
Seismological Letters, vol. 71, no. 3
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RADON
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1992, A Citizen's
Guide to Radon: The guide to protecting yourself and your
family from radon, 2nd edition, EPA 402-k92-001.
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Otton, James K., Linda
C.S. Gundersen, and R. Randall Schumann, 1995, The
Geology of Radon, US Department of the Interior/US
Geological Survey: Reston, Virginia.
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LANDSLIDES
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USGS National Landslide
Information Center, Federal Center Box 25046 MS 966
Denver, CO 80225-0046
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Kochanov, William E.,
1999, Sinkholes in Pennsylvania, Educational Series
11, Pennsylvania Geological Survey: Harrisburg, Pennsylvania.
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