Maps, data, and old stuff...

We are a small geospatial consulting firm specializing in open source software and cultural heritage mapping applications.

Snippet of New Orleans map

Historical applications

Developer and maintainer of OldInsuranceMaps, a collaborative platform for georeferencing historical fire insurancemaps. We love building digital applications from archival materials!

Mapmaking & data management

We can create maps for brochures and technical reports, develop interactive mapping applications, or perform custom spatial data processing and scripting.

Arches support & hosting

Legion has been an Arches service provider since 2016, offering hosting, data migration, and general consulting services.

Selected Work

Take a look below at some of our featured work for clients from the past few years.

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Clients

Our clients range from small non-profits to large institutions in the U.S. and abroad.