【實用書籍app】Geograph IL|最夯免費app-綠色工廠好玩App

The ultimate app for Geography/Geology amateurs and professionals."- Mel Martin, TUAW.comGeograph IL is the edition of the popular GIS (geographic information system) covering the state of Illinois. 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 Prairie State. Using the iPhone's GPS, it enables you to navigate the state and get a much better understanding of your surroundings, identify geological formations, mines, rivers, school districts, etc....This release contains 30 layers, which can be combined in any desired way:- states outlines- the complete geological map from USGS, with link to USGS web site for each unit- surficial materials- terrain elevation- bathymetry for the southern half of lake Michigan- zip codes- over 2,600 named features (summits, tunnels, cliffs, bridges, etc...) with link to USGS page for each feature- glacial limits- U.S. congressional districts with link to representatives' web sites- almost 2,300 mineral resources with link to USGS web site for each resource- active mines- old faults- public land ownership- hydrologic units with link to data page on EPA web site- seismic risk- all earthquakes in recorded history of magnitude 3.0 and above- EPA ecological regions- USGS quadrangles- township and range- urban areas- counties with link to Census data- hydrology- roads and major streets- railroad tracks- cities and towns- potassium/argon dates- state plane zones- UTM zones- main aquifersA number of additional layers can be downloaded from the application, including:- state House districts with link to representatives' web sites- state Senate districts with link to senators' web sites- elementary school districts- secondary school districts- unified school districts- boundaries of cities and villages with link to Census data- towns- landmark areas (parks, campgrounds, airports, etc...)- landmark points (schols, hospitals, fire stations, etc...)- city of Chicago alderman wards with link to aldermans' web sites- city of Chicago precincts (all 2,605 of them)- city of Chicago neighborhoodsEach layer contains additional information about each feature. 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.There have been significant improvements since the release of the sister programs covering CA, TX, NY/NJ/CT, FL, WA/OR, AZ, CO, UT, NV, NM, ID, MT, WY, MN and WI. More layers now have web links. Several bugs have been fixed.