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The National Map Corps

Main Project Information
Goal Help USGS update the National Map!
Task Add information to the National Map about man-made structures.
Where Global, anywhere on the planet

The National Map Corps enlists volunteers to collect and edit data about human made structures in an effort to provide accurate and authoritative map data for the USGS National Map and US Topo Maps. Using aerial imagery and base layers from The National Map, volunteers are editing 10 different structure types including schools, hospitals, post offices, police stations, and other important public buildings in all 50 States as well as Puerto Rico and the US Virgin Islands.

How to Join

To get started, please visit this web site:

The current status of the project may be viewed at:

Social Media
Required Gear

A computer and access to the internet.

Ideal Age Group Elementary school (6 - 10 years), Middle school (11 - 13 years), High school (14 - 17 years), College, Graduate students, Adults, Families
Spend the Time indoors
Type of Activity Exclusively online, At school, At home
Media Mentions
and Publications
Tags cartography, citizen science, class project, crowdmapping, crowdsourcing, data collection, federal government, geography, gis, gis data, government, mapping, maps, osm, structures, student project, the national map, topographic maps, u.s. geological survey, usgs, volunteered geographic information (vgi)
Project Updated 08/05/2017