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Home View Maps Find Maps Find Places Resources & Links




Welcome to TopoQuest!
TopoQuest is your ultimate resource for USGS topographic map viewing, and free
downloads of USGS DRG (GeoTIFF) digital map files.  If you're into hiking,
camping, fishing, prospecting or just a GIS enthusiast, TopoQuest has the USGS
topographic maps you need available for online viewing.

Are you bummed that TopoZone has been bought by Trails.com and no longer has the
level of free map viewing you crave?  No problem, TopoQuest is an excellent
replacement with all of the same features!

We're working on rounding up all the DRG topographic map data covering the
entire United States.  It's our belief that these digital map files should be
freely available to anyone that wants them (note: USGS topographic maps and
DRG's are public domain and have no copyright, and are free to distribute as
anyone wishes).

Additionally, we've been adding topographic maps of Canada, 1m satellite/aerial
imagery of the US and Canada, and 1:100K and 1:250K series USGS topographic
maps!  You can find and view all of these types of maps with TopoQuest:

 * 1:24K USGS topographic maps (United States)
   
 * 1:100K USGS topographic maps (United States)
   
 * 1:250K USGS topographic maps (United States)
   
 * 1m satellite/aerial imagery (United States and Canada)
   
 * Canadian 1:50K topographic maps
   

Want to browse around topographic maps for your area?  Visit our Map Viewer. 
Want to search for, download or view a particular topographic map?  Visit our
Find Maps page.  Want to search for a populated place, geographic landmark,
manmade object or other place or feature?  Try our Find Places page.  Looking
for more info on DRG files, their format, and software you can use to view
them?  Check out our Resources & Links page.



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Current Status of Online Topographic Map Viewer Coverage:

Areas shown shaded in dark green are available for viewing in the Map Viewer.



State Online Viewer Status DRG Downloads AlabamaMost MapsAvailable AlaskaNo
DataAvailable ArizonaMost MapsAvailable ArkansasMost MapsAvailable
CaliforniaMost MapsAvailable ColoradoMost MapsAvailable
ConnecticutPartialAvailable DelawarePartialAvailable FloridaPartialAvailable
GeorgiaMost MapsAvailable HawaiiPartialAvailable IdahoMost MapsAvailable
IllinoisMost MapsAvailable IndianaMost MapsAvailable IowaMost MapsAvailable
KansasMost MapsAvailable KentuckyMost MapsAvailable LouisianaMost MapsAvailable
MaineMost MapsAvailable MarylandMost MapsAvailable MassachusettsNo DataAvailable
MichiganMost MapsAvailable MinnesotaPartialAvailable MississippiMost
MapsAvailable MissouriMost MapsAvailable MontanaMost MapsAvailable NebraskaMost
MapsAvailable NevadaMost MapsAvailable New HampshirePartialAvailable New
JerseyPartialAvailable New MexicoMost MapsAvailable New YorkPartialAvailable
North CarolinaMost MapsAvailable North DakotaMost MapsAvailable OklahomaMost
MapsAvailable OhioMost MapsAvailable OregonMost MapsAvailable PennsylvaniaMost
MapsAvailable Rhode IslandPartialAvailable South CarolinaMost MapsAvailable
South DakotaMost MapsAvailable TennesseeMost MapsAvailable TexasMost
MapsAvailable UtahMost MapsAvailable VermontMost MapsAvailable
VirginiaPartialAvailable WashingtonMost MapsAvailable West VirginiaMost
MapsAvailable WisconsinMost MapsAvailable WyomingMost MapsAvailable


To download a USGS topographic map in DRG GeoTIFF form, visit our Find Maps page
to find and download the map you need.  Many of the DRG downloads are links to
the DRG map archive at www.archive.org.  The www.archive.org collection of DRG's
lacks any sort of useful search tool to find the map you need, but TopoQuest has
a searchable database of all DRG's to help you find your map quickly!

We're working on acquiring and integrating map data to fill out the above areas
in our online Map Viewer.  We usually start each map series from the Pacific
Northwest, and moving onward from there.  Please be patient, it takes a lot of
processing and data preparation to add each new set of maps, especially the new
1m satellite/aerial maps!





Copyright (C) 2008-2024 Ryan Niemi ... All Rights Reserved