For researchers, planners, and analysts looking for official maps, get search terms for agency catalogs such as USGS, Census, and FEMA. Compare catalog records you paste in, decode scale, coordinate system, publication date, and file format, then choose maps that fit your project. Leave with a map shortlist, search plan, and notes on what each source can support.
Government Map Collections
Find government map collections and choose the right map for your project.
Use Government Map Collections
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What it writes
- Agency catalog search terms
- Map collection comparison table
- Map-use and metadata checklist
How to use it
In your first message, name the project area, map topic, and intended use. Include any catalog titles, dates, scales, or file formats you have so the comparison targets the right map.
What you bring
- Project location or area
- Map topic and intended use
- Catalog entries or agency names
- Access to relevant agency map catalogs
A good fit for
- Searching agency catalogs for historic topographic maps near a project site
- Comparing flood maps and elevation data for a planning report
- Choosing census boundary maps for a neighborhood analysis
Ways to start
A few requests this Agent can handle.
I need historic USGS topographic maps for a trail study near Flagstaff, Arizona, ideally from the 1950s through the 1980s. What should I search for?
I have two FEMA map catalog entries for a property in coastal North Carolina. Here are their dates, scales, and file formats; which fits a flood-risk report?
I’m mapping population by neighborhood in Detroit using Census data. Which boundary products should I look for, and what map scale makes sense?
Good to know
This workspace provides text assistance.
- Emergency flood, wildfire, or evacuation decisions
- Legal determinations of property boundaries
- Cannot search live agency catalogs or open map files
- Cannot verify a map’s current status or ground accuracy
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Can I use the response in my work?
Use it as a draft to review and adapt. Verify calculations, facts, rights, and suitability before relying on it. Do not provide information you do not have permission to share.
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