Where can I find a shapefile for GIS?

A shapefile is a geospatial data format for use in geographic information system (GIS) software. For KML versions of these files, please see our Cartographic Boundary Files – KML page. For state-based and national congressional district cartographic boundary files for the 103rd through 110th Congresses, see our FTP site.

What is the shape of a cartographic boundary file?

Cartographic Boundary Files – Shapefile The cartographic boundary files are simplified representations of selected geographic areas from the Census Bureau’s MAF/TIGER geographic database. These boundary files are specifically designed for small scale thematic mapping. The cartographic boundary files are available in shapefile and KML format.

What is the geographic coverage of the United States?

Geographic coverage includes the United States and the U.S. Territories. Homeland Infrastructure Foundation – Level Data (HIFLD). Includes lines operated at relatively high voltages varying from 69 kV up to 765 kV which are capable of transmitting large quantities of electricity over long distances.

Where does the Tiger / Line Shapefile File come from?

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau’s Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB).

Where can I find River centerline GIS data?

Two interagency GIS data sets of wild and scenic river centerline data have been made available through the U.S. Forest Service Geospatial Data Discovery Site.

Is the National Wild and Scenic Rivers System a GIS file?

One of our most frequent requests is for the GIS files for the National Wild & Scenic Rivers System. Over the last 3-4 years, the managing agencies, lead by the National Park Service, and ESRI have worked to greatly enhance the GIS database.

How much does a USGS shapefile cost?

The map scale is 1:1,000,000 providing a high degree of detail. They are available for all 50 states and Puerto Rico by region. Each region is $47. The included readme.txt file describes the contents of the shapefiles.