The ultimate app for Geography/Geology amateurs and professionals.”

- Mel Martin, TUAW.com

GeographMN is the edition of the popular GIS (geographic information system) covering the state of Minnesota. 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 Land of Ten Thousand Lakes. 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, quarries, rivers, etc….

Geology of Minnesota

This release contains 27 layers, which can be combined in any desired way:

• states outlines
• the complete geological map from USGS
• surficial materials
• terrain elevation
• zip codes
• over 2,200 named features (summits, tunnels, cliffs, bridges, etc…)
• annual precipitation
• glacial limits
• U.S. congressional districts
• over 2,300 mineral resources
• active mines
• old faults
• public land ownership
• hydrologic units
• EPA ecological regions
• USGS quadrangles
• township and range
• urban areas
• counties
• hydrology
• roads and major streets
• railroad tracks
• cities and towns
• over 200 potassium/argon dates
• state plane zones
• UTM zones
• main aquifers

Surficial material, glacial boundary of southeastern Minnesota

Each 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.

Here is a very quick video of the application in action: