©
usepagov: Earth - Then and Now Courtesy of NASA
©
usepagov: Then and Now, John Day Dam, Columbia River
©
usepagov: Then & Now, Cuyahoga River, Ohio
©
usepagov: Rockport, MA 1973 & 2011
©
usepagov: Aspen, CO 1974 & 2012
©
usepagov: Taos, NM 'Earthships' 1972 & 2011
©
usepagov: Moakley Park, South Boston, MA 1973 & 2012
©
usepagov: East Boston, MA 1973 & 2012 by Michael P. Manheim
©
usepagov: East Boston, MA 1973 & 2012 by Michael P. Manheim
©
usepagov: Document Your Environment Student Contest Winner
©
usepagov: John Day Dam, Columbia River 1973 & 2012
©
usepagov: Columbia River Gorge 1973 & 2012
©
usepagov: Columbia River 1973 & 2012
©
usepagov: Great Falls, Androscoggin River, Lewiston-Auburn, ME 1973 & 2012
©
usepagov: Lewiston-Auburn, ME 1973 & 2012
©
usepagov: Androscoggin River, 1973 & 2012
©
usepagov: Jay, ME 1973 & 2012
©
usepagov: Rumford, Mexico, ME 1973 & 2012
©
usepagov: Jay, ME 1973 & 2012
©
usepagov: Androscoggin River, Rumford-Mexico, ME 1973 & 2012
©
usepagov: Androscoggin River, ME 1973 & 2012
©
usepagov: Rumford, ME 1973 & 2012
©
usepagov: Are we better off? NY Skyline 40 Years Later
©
usepagov: Old and New Stacks, San Juan Puerto Rico