Land Surveying

Information and tutorials on using this mapping software.

The geospatial section of Analyze Boston!, this website contains all of its geospatial datasets and makes them available in a variety of formats.

A registry for online learning resources about research data management in the earth sciences. It also offers guidance on managing data using a variety of software tools.

Maps and spatial datasets to assist in conservation efforts in the eastern parts of North America. Courtesy of the Nature Conservancy.

Excellent source for GIS news, datasets, and applications.

A free downloadable version provides basic access to this powerful mapping tool.

Maps for cities around the world.

Public access to U.S. government GPS data and news.

"National foundation-level geospatial data within the open public domain that can be useful to support community preparedness, resiliency, research, and more."

Interactive maps for geodetic control, town corners, and state highway layout plans. Also provides access to the Mass. Continuously Operated Reference Station (MaCORS) Network.

Interactive maps and geospatial data for Massachusetts

NOAA's National Geodetic Survey (NGS) defines and manages a national coordinate system.

A public domain map dataset available at 1:10m, 1:50m, and 1:110 million scales.

Videos on geodesy and mapping from the National Geodetic Survey. Provides a link to a YouTube channel that contains the complete video collection.

Free downloadable tools allow users to make maps for coastal applications.

A crowd-sourced map of the world that is free to use under an open license.

A free, open-source software package for creating, visualizing, and publishing GIS data.

Topographical information for the United States.