The United States Geological Survey has made available free of cost on the web pdf files of â€œThis Dynamic Planetâ€, containing plate boundaries, earthquake belts and locations, major volcanoes on the earth and other Earth-related information of great value to teachers. Hard copies for sale are also available at the USGS store online. Interested may visit the USGS website at www.usgs.gov.
MSR/3 Setp. 2012