@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 {129, title = {The Massachusetts DEP Hydrogeologic Information Matrix}, publisher = {MassDEP}, abstract = {An index of all USGS geologic maps and hydrogeologic publications for Massachusetts, cross-referenced and indexed by town and 7.5{\textquoteright} quadrangle. This is an extremely valuable resource for finding geologic data for a given site. }, keywords = {$\#$BedrockMaps, $\#$Hydro, $\#$MapDatabase, $\#$MapsDataPublications, $\#$QuadIndex, $\#$SurficialMaps, aquifer, catalog, data, database, GEOLOGIC MAP, ground source heat pumps, groundwater, hydrogeology, index, maps, quadrangles, water resources}, url = {http://www.mass.gov/eea/docs/dep/water/compliance/hydromat.pdf} } @online {355, title = {MassGIS}, publisher = {MassGIS}, abstract = {MassGIS is the geospatial data clearinghouse for Massachusetts. They distribute LiDAR, DEMs, and other elevation data, in addition to soils maps, hydrologic, cultural, environmental, and geological data. Their online dataviewer, Oliver is a quick and easy way to make your own maps if you do not have access to GIS software.}, keywords = {$\#$GISSoftware, $\#$Hydro, $\#$MapsDataPublications, $\#$Misc, $\#$QuadIndex, $\#$Soils, $\#$Subsurface, $\#$Topo, $\#$Water, DEM, GIS, LiDAR, quadrangles}, url = {http://www.mass.gov/anf/research-and-tech/it-serv-and-support/application-serv/office-of-geographic-information-massgis/} } @online {147, title = {Scanned "newer" 1:25K topographic maps (from MassGIS)}, publisher = {MassGIS}, abstract = {MassGIS scanned the USGS topographic quadrangles to create a digital database that can provide images of the paper maps. These images can be used as a backdrop for plotting vector data and for interpretation and analysis. MassGIS scanned the 15-minute series (vintage 1982-1990) where these maps were available; the 7.5-minute maps (1967-1979) were used elsewhere. Note that the elevation labels for the contours on the maps may be in meters or feet, depending on the vintage of the original paper map that MassGIS scanned. Contour labels on maps from 1982 and later are in meters. Labels on maps from 1967 through 1979 are in feet. See the Index Map for details. Most paper maps are at 1:25,000 scale; some older 7.5-minute quads were produced at 1:24,000 scale.}, keywords = {$\#$MapsDataPublications, $\#$Topo, 1:25000, 7.5, historic, quadrangles, topographic, topographic maps, topography}, url = {http://www.mass.gov/anf/research-and-tech/it-serv-and-support/application-serv/office-of-geographic- information-massgis/datalayers/imquad.html} } @online {148, title = {UNH Historic Map Library for New England}, publisher = {UNH Library}, abstract = {Historic topographic maps of New England states going back to the 1800s.}, keywords = {$\#$LegacyPublications, $\#$MapsDataPublications, $\#$Topo, 1800s, 1:24000, 1:31680, 7.5, historic, quadrangles, surveyed, topographic, topographic maps, topography}, url = {http://docs.unh.edu/nhtopos/nhtopos.htm} } @online {134, title = {What 7.5{\textquoteright} quadrangle am I in?: A PDF of a paper map}, publisher = {MassGIS}, abstract = {

Download a PDF map showing which towns are in which 7.5{\textquoteright} quadrangles.

}, keywords = {$\#$MapsDataPublications, $\#$QuadIndex, catalog, data, database, GEOLOGIC MAP, index, maps, quadrangles, what town}, url = {http://www.geo.umass.edu/stategeologist/Quads_Towns_WS7_34x44.pdf} } @online {135, title = {What 7.5{\textquoteright} quadrangle am I in?: KMZ of 7.5" quadrangles for use in Google Earth}, publisher = {MGS}, abstract = {

A Google Earth KMZ file showing the locations of 7.5{\textquoteright} quadrangles in Massachusetts

}, keywords = {$\#$MapsDataPublications, $\#$QuadIndex, catalog, data, database, GEOLOGIC MAP, index, maps, quadrangles, what town}, url = {http://www.geo.umass.edu/stategeologist/QuadTownsWatersheds.kmz} }