@Map {324, title = {USGS Surficial Geologic Map Compilations (OFR 2006-1260)}, abstract = {Since 2006, the USGS has been releasing compilations of updated surficial geology compilations for Massachusetts under OFR2006-1260 (http://pubs.usgs.gov/of/2006/1260/). Older, more detailed surficial geologic maps (GQs, etc...) for Massachusetts can be downloaded from the National Geologic Map Database (http://ngmdb.usgs.gov) and the USGS Publications Warehouse (http://pubs.usgs.gov) Compilation areas published under OFR2006-1260 are: See the links below for the USGS websites for each product. If you{\textquoteright}re looking for an older, more detailed surficial geologic map of a particular quadrangle, we recommend using the National Geologic Map Database (http://ngmdb.usgs.gov) and the USGS Publications Warehouse (http://pubs.usgs.gov). We also recommend MassDEP{\textquoteright}s Hydrogeologic Information Matrix for finding the most recent USGS publications for a given town in Massachusetts (http://www.mass.gov/eea/docs/dep/water/compliance/hydromat.pdf}, keywords = {$\#$MGSPub, $\#$SurficialMaps, surficial geology, USGS}, url = {http://pubs.usgs.gov/of/2006/1260} } @online {354, title = {CalTopo - Backcountry topographic maps}, publisher = {Caltopo}, abstract = {CalTopo contains topographic map coverage and downloadable topographic maps for all of the conterminous U.S. It also has a variety of web-based tools for calculating distance, area, topographic profiles, etc...}, keywords = {$\#$MapsDataPublications, $\#$Topo, quadrangles, topographic maps, USGS}, url = {http://caltopo.com/} } @online {149, title = {Recent USGS Publications for Massachusetts}, publisher = {USGS}, keywords = {$\#$MapsDataPublications, $\#$Misc, massachusetts, Massachusetts Geology, recent, reports, USGS, USGS publications}, url = {http://pubs.er.usgs.gov/$\#$search:advance/page=1/page_size=100/title=Massachusetts:0} } @online {353, title = {USGS Topoview}, year = {2014}, publisher = {United States Geological Survey}, abstract = {An MGS favorite: Contemporary to historic topographic maps. TopoView highlights one of the USGS{\textquoteright}s most important and useful products, the topographic map. In 1879, the USGS began to map the Nation{\textquoteright}s topography. This mapping was done at different levels of detail, in order to support various land use and other purposes. As the years passed, the USGS produced new map versions of each area. The most current maps are available from The National Map. TopoView shows the many and varied older maps of each area, and so is useful for historical purposes{\textemdash}for example, the names of some natural and cultural features have changed over time, and the {\textquoteright}old{\textquoteright} names can be found on these historical topographic maps. }, keywords = {$\#$MapsDataPublications, $\#$Topo, topographic maps, USGS}, url = {http://ngmdb.usgs.gov/maps/TopoView/} }