Geograph MA

The ultimate app for Geography/Geology amateurs and professionals."- Mel Martin, TUAW.comDo you know which state assembly district you are in? Which school district? Where is the closest railroad? Is there a mine nearby? What kind of rock are you sitting on?Geograph MA is the edition of the popular GIS (geographic information system) covering the commonwealth of Massachusetts. It is a self-contained application (no Internet or cellular access required) that contains a vast amount of information about the geography and geology of the Bay State. You can combine various data layers, zoom in and out, and get a lot of details about the physical and human geography of Massachusetts. While this is a professional-grade tool, it can easily be used by anyone curious about their environment. This release contains over 45 layers (new layers are frequently added). Installed by default are:- states outlines- the complete geological map from USGS- surficial materials and faults- terrain elevation and bathymetry- zip codes- over 4,600 named features (summits, tunnels, cliffs, bridges, etc...) with link to USGS information page- U.S. congressional districts with link to representatives' web sites- over 1,100 mineral resources with link to USGS web site- active mines- public land ownership- hydrologic units- EPA ecological regions- USGS quadrangles- urban areas- counties with link to census data- hydrology- roads and major streets- railroad tracks- cities and towns with link to census data- UTM zones- main aquifers with link to EPA web siteLayers that can be downloaded from the application include:- state House districts with link to representatives' web sites- state Senate districts with link to senators' web sites- elementary, secondary and unified school districts- boundaries of cities and villages with link to census data- town boundaries- landmark areas (parks, campgrounds, airports, etc...)- landmark points (schools, hospitals, fire stations, etc...)- airports with link to FAA data pages for each airport- areas of critical environmental concern with link to detail page for each site- geodetic points with link to the National Geodetic Survey details pages- national park boundaries with link to the National Park Service web page for each park- waterways and ports from the U.S. Army Corps of Engineers- railroad crossings with link to details page from the Federal Railroad Administration- detailed surface geology for some parts of the state- boat/fishing access- long-distance bicycle trails- natural communities- FEMA flood zones (premium content)Each layer contains additional information about its features. For instance, the geology layer has a description of the unit's name, age range, rock type, and description. Each mine has a name, a commodity, a facility type, and a company name. See our web site for more information about each layer. Layers can be re-ordered and combined with transparency, allowing an unlimited number of combinations.