【實用書籍app】Geograph MO|最夯免費app-gigacircle

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 GA is the edition of the popular GIS (geographic information system) covering the state of Missouri. 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 Show Me State. You can combine various data layers, zoom in and out, and get a lot of details about the physical and human geography of Missouri. While this is a professional-grade tool, it can easily be used by anyone curious about their environment. This release has 41 layers (and new layers are frequently added). Installed by default are:- states outlines- the complete geological map from USGS- surficial materials and faults- terrain elevation and ocean bathymetry- zip codes- over 6,000 named features (summits, tunnels, cliffs, bridges, etc...) with link to USGS information page- U.S. congressional districts with link to representatives' web sites- over 12,000 mineral resources with link to USGS web site- active mines- public land ownership- hydrologic units- EPA ecological regions- 1,300 USGS quadrangles- urban areas- seismic risk- earthquakes- counties with link to census data- hydrology- roads and major streets- railroad tracks- UTM zones and state plane 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- all 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- over 12,000 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- railroad crossings with link to details page from the Federal Railroad Administration- floodable areas from FEMA (premium content)- 1,337 National Register Historic Places- almost 500,000 streets and roads (by county)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.