Douglas D. Schumann Library & Learning Commons: Land Surveying: Geospatial Data Resources

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BostonMaps Open Data
The geospatial section of Analyze Boston!, this website contains all of its geospatial datasets and makes them available in a variety of formats.
Massachusetts Highway Surveys
Interactive maps for geodetic control, town corners, and state highway layout plans. Also provides access to the Mass. Continuously Operated Reference Station (MaCORS) Network.
MassGIS
Geographical information system data for Mass. cities and towns. Includes access to topographical maps.

Social Explorer This link opens in a new window
Use Social Explorer to visualize and interact with data, create maps, charts, reports and downloads. Explore hundreds of thousands of built-in data indicators related to demography, economy, health, politics, environment, crime and more.

Google Earth
A free downloadable version provides basic access to this powerful mapping tool.
Google Maps
Maps for cities around the world.
GPS.gov
Public access to U.S. government GPS data and news.
Natural Earth
A public domain map dataset available at 1:10m, 1:50m, and 1:110 million scales.
NGS Video Library
Videos on geodesy and mapping from the National Geodetic Survey. Provides a link to a YouTube channel that contains the complete video collection.
OpenStreetMap
A crowd-sourced map of the world that is free to use under an open license.

The Nature Conservancy's Conservation Gateway
The Nature Conservancy's Conservation Gateway offers geospatial and conservation datasets for most of the world. Navigate by geographic area using the menu on the left-hand side of the webpage.
United States Geological Survey National Map Viewer
The USGS National Map Viewer allows users to layer topographic datasets onto a national map.
NOAA: Digital Coast
In-depth access to information and tools for coastal management.
National Geodetic Survey
NOAA's National Geodetic Survey (NGS) defines and manages a national coordinate system.