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| USGS Map Name | Map Size | Scale | Latitude | Longitude | DRG Filename | View Map | ||||||
| Abarr | 7.5deg x 7.5deg | 1:24,000 | 39.875°N - 39.750°N | 102.750°W - 102.625°W | o39102g6.tif | |||||||
| Abarr | 15min x 15min | 40.000°N - 39.750°N | 102.750°W - 102.500°W | |||||||||
| Abarr SE | 7.5deg x 7.5deg | 1:24,000 | 39.875°N - 39.750°N | 102.625°W - 102.500°W | o39102g5.tif | |||||||
| Abeyta | 7.5deg x 7.5deg | 1:24,000 | 37.125°N - 37.000°N | 104.250°W - 104.125°W | o37104a2.tif | |||||||
| Adams Lake | 7.5deg x 7.5deg | 1:24,000 | 39.750°N - 39.625°N | 107.500°W - 107.375°W | o39107f4.tif | |||||||
| Adena | 7.5deg x 7.5deg | 1:24,000 | 40.125°N - 40.000°N | 104.000°W - 103.875°W | o40103a8.tif | |||||||
| Adler Creek | 7.5deg x 7.5deg | 1:24,000 | 39.750°N - 39.625°N | 102.625°W - 102.500°W | o39102f5.tif | |||||||
| Adobe Downs Ranch | 7.5deg x 7.5deg | 1:24,000 | 37.000°N - 36.875°N | 108.125°W - 108.000°W | o36108h1.tif | |||||||
| Adobe Springs | 7.5deg x 7.5deg | 1:24,000 | 40.750°N - 40.625°N | 108.000°W - 107.875°W | o40107f8.tif | |||||||
| Agate | 7.5deg x 7.5deg | 1:24,000 | 39.500°N - 39.375°N | 104.000°W - 103.875°W | o39103d8.tif | |||||||
| Agate Mountain | 7.5deg x 7.5deg | 1:24,000 | 38.875°N - 38.750°N | 105.875°W - 105.750°W | o38105g7.tif | |||||||
| Aguilar | 7.5deg x 7.5deg | 1:24,000 | 37.500°N - 37.375°N | 104.750°W - 104.625°W | o37104d6.tif | |||||||
| Akron | 7.5deg x 7.5deg | 1:24,000 | 40.250°N - 40.125°N | 103.250°W - 103.125°W | o40103b2.tif | |||||||
| Akron | 30min x 30min | 40.500°N - 40.000°N | 103.500°W - 103.000°W | |||||||||
| Akron | 15min x 15min | 40.250°N - 40.000°N | 103.250°W - 103.000°W | |||||||||
| Akron SE | 7.5deg x 7.5deg | 1:24,000 | 40.125°N - 40.000°N | 103.125°W - 103.000°W | o40103a1.tif | |||||||
| Akron SW | 7.5deg x 7.5deg | 1:24,000 | 40.125°N - 40.000°N | 103.250°W - 103.125°W | o40103a2.tif | |||||||
| Alamosa | 60min x 60min | 1:100,000 | 37.500°N - 37.000°N | 106.000°W - 105.000°W | f37105a1.tif | |||||||
| Alamosa East | 7.5deg x 7.5deg | 1:24,000 | 37.500°N - 37.375°N | 105.875°W - 105.750°W | o37105d7.tif | |||||||
| Alamosa West | 7.5deg x 7.5deg | 1:24,000 | 37.500°N - 37.375°N | 106.000°W - 105.875°W | o37105d8.tif | |||||||
| Albany | 30min x 30min | 38.000°N - 37.500°N | 102.500°W - 102.000°W | |||||||||
| Aldrich Gulch | 7.5deg x 7.5deg | 1:24,000 | 38.125°N - 38.000°N | 105.500°W - 105.375°W | o38105a4.tif | |||||||
| Alkali Lake | 7.5deg x 7.5deg | 1:24,000 | 38.500°N - 38.375°N | 102.750°W - 102.625°W | o38102d6.tif | |||||||
| Allenspark | 7.5deg x 7.5deg | 1:24,000 | 40.250°N - 40.125°N | 105.625°W - 105.500°W | o40105b5.tif | |||||||
| Allison | 7.5deg x 7.5deg | 1:24,000 | 37.125°N - 37.000°N | 107.500°W - 107.375°W | o37107a4.tif | |||||||
| Alma | 7.5deg x 7.5deg | 1:24,000 | 39.375°N - 39.250°N | 106.125°W - 106.000°W | o39106c1.tif | |||||||
| Almont | 7.5deg x 7.5deg | 1:24,000 | 38.750°N - 38.625°N | 106.875°W - 106.750°W | o38106f7.tif | |||||||
| Alpine Plateau | 7.5deg x 7.5deg | 1:24,000 | 38.250°N - 38.125°N | 107.375°W - 107.250°W | o38107b3.tif | |||||||
| Alpine Ranch | 15min x 15min | 39.250°N - 39.000°N | 102.750°W - 102.500°W | |||||||||
| Alpine Ranch | 7.5deg x 7.5deg | 1:24,000 | 39.125°N - 39.000°N | 102.625°W - 102.500°W | o39102a5.tif | |||||||
| Alpine Ranch NE | 7.5deg x 7.5deg | 1:24,000 | 39.250°N - 39.125°N | 102.625°W - 102.500°W | o39102b5.tif | |||||||
| Alpine Ranch NW | 7.5deg x 7.5deg | 1:24,000 | 39.250°N - 39.125°N | 102.750°W - 102.625°W | o39102b6.tif | |||||||
| Alpine Ranch SW | 7.5deg x 7.5deg | 1:24,000 | 39.125°N - 39.000°N | 102.750°W - 102.625°W | o39102a6.tif | |||||||
| Alps Mesa | 7.5deg x 7.5deg | 1:24,000 | 37.000°N - 36.875°N | 104.000°W - 103.875°W | o36103h8.tif | |||||||
| Alta Vista | 7.5deg x 7.5deg | 1:24,000 | 39.125°N - 39.000°N | 104.125°W - 104.000°W | o39104a1.tif | |||||||
| Altvan | 7.5deg x 7.5deg | 1:24,000 | 41.125°N - 41.000°N | 104.750°W - 104.625°W | o41104a6.tif | |||||||
| Alvin | 7.5deg x 7.5deg | 1:24,000 | 40.375°N - 40.250°N | 102.125°W - 102.000°W | o40102c1.tif | |||||||
| Alvin | 15min x 15min | 40.500°N - 40.250°N | 102.250°W - 102.000°W | |||||||||
| Alvin NE | 7.5deg x 7.5deg | 1:24,000 | 40.500°N - 40.375°N | 102.125°W - 102.000°W | o40102d1.tif | |||||||
| Alvin NW | 7.5deg x 7.5deg | 1:24,000 | 40.500°N - 40.375°N | 102.250°W - 102.125°W | o40102d2.tif | |||||||
| Alvin SW | 7.5deg x 7.5deg | 1:24,000 | 40.375°N - 40.250°N | 102.250°W - 102.125°W | o40102c2.tif | |||||||
| Amalia | 7.5deg x 7.5deg | 1:24,000 | 37.000°N - 36.875°N | 105.500°W - 105.375°W | o36105h4.tif | |||||||
| Amherst | 7.5deg x 7.5deg | 1:24,000 | 40.750°N - 40.625°N | 102.250°W - 102.125°W | o40102f2.tif | |||||||
| Amherst | 15min x 15min | 40.750°N - 40.500°N | 102.250°W - 102.000°W | |||||||||
| Amherst NE | 7.5deg x 7.5deg | 1:24,000 | 40.750°N - 40.625°N | 102.125°W - 102.000°W | o40102f1.tif | |||||||
| Amherst SE | 7.5deg x 7.5deg | 1:24,000 | 40.625°N - 40.500°N | 102.125°W - 102.000°W | o40102e1.tif | |||||||
| Amherst SW | 7.5deg x 7.5deg | 1:24,000 | 40.625°N - 40.500°N | 102.250°W - 102.125°W | o40102e2.tif | |||||||
| Anderson Mesa | 7.5deg x 7.5deg | 1:24,000 | 38.250°N - 38.125°N | 109.000°W - 108.875°W | o38108b8.tif | |||||||
| Andrix | 7.5deg x 7.5deg | 1:24,000 | 37.375°N - 37.250°N | 103.250°W - 103.125°W | o37103c2.tif | |||||||
| Aneth | 30min x 30min | 37.500°N - 37.000°N | 109.500°W - 109.000°W | |||||||||
| Aneth | 15min x 15min | 37.250°N - 37.000°N | 109.250°W - 109.000°W | |||||||||
| Antelope Creek | 15min x 15min | 40.000°N - 39.750°N | 103.500°W - 103.250°W | |||||||||
| Antelope Creek East | 7.5deg x 7.5deg | 1:24,000 | 40.000°N - 39.875°N | 103.375°W - 103.250°W | o39103h3.tif | |||||||
| Antelope Creek SE | 7.5deg x 7.5deg | 1:24,000 | 39.875°N - 39.750°N | 103.375°W - 103.250°W | o39103g3.tif | |||||||
| Antelope Creek West | 7.5deg x 7.5deg | 1:24,000 | 40.000°N - 39.875°N | 103.500°W - 103.375°W | o39103h4.tif | |||||||
| Antelope Mesa | 7.5deg x 7.5deg | 1:24,000 | 38.375°N - 38.250°N | 104.000°W - 103.875°W | o38103c8.tif | |||||||
| Antelope Reservoir | 7.5deg x 7.5deg | 1:24,000 | 40.750°N - 40.625°N | 104.750°W - 104.625°W | o40104f6.tif | |||||||
| Antelope Springs | 7.5deg x 7.5deg | 1:24,000 | 40.500°N - 40.375°N | 103.625°W - 103.500°W | o40103d5.tif | |||||||
| Antero Reservoir | 7.5deg x 7.5deg | 1:24,000 | 39.000°N - 38.875°N | 106.000°W - 105.875°W | o38105h8.tif | |||||||
| Antero Reservoir | 15min x 15min | 39.000°N - 38.750°N | 106.000°W - 105.750°W | |||||||||
| Antero Reservoir NE | 7.5deg x 7.5deg | 1:24,000 | 39.000°N - 38.875°N | 105.875°W - 105.750°W | o38105h7.tif | |||||||
| Anthracite | 15min x 15min | 39.000°N - 38.750°N | 107.250°W - 107.000°W | |||||||||
| Anthracite Range | 7.5deg x 7.5deg | 1:24,000 | 38.875°N - 38.750°N | 107.250°W - 107.125°W | o38107g2.tif | |||||||
| Anton | 7.5deg x 7.5deg | 1:24,000 | 39.750°N - 39.625°N | 103.250°W - 103.125°W | o39103f2.tif | |||||||
| Anton | 15min x 15min | 39.750°N - 39.500°N | 103.250°W - 103.000°W | |||||||||
| Anton SE | 7.5deg x 7.5deg | 1:24,000 | 39.625°N - 39.500°N | 103.125°W - 103.000°W | o39103e1.tif | |||||||
| Antone Spring | 7.5deg x 7.5deg | 1:24,000 | 38.375°N - 38.250°N | 108.250°W - 108.125°W | o38108c2.tif | |||||||
| Antonito | 7.5deg x 7.5deg | 1:24,000 | 37.125°N - 37.000°N | 106.125°W - 106.000°W | o37106a1.tif | |||||||
| Antonito | 60min x 60min | 1:100,000 | 37.500°N - 37.000°N | 107.000°W - 106.000°W | f37106a1.tif | |||||||
| Anvil Points | 7.5deg x 7.5deg | 1:24,000 | 39.625°N - 39.500°N | 108.000°W - 107.875°W | o39107e8.tif | |||||||
| Apishapa | 30min x 30min | 38.000°N - 37.500°N | 104.500°W - 104.000°W | |||||||||
| Apishapa Bridge | 7.5deg x 7.5deg | 1:24,000 | 38.000°N - 37.875°N | 104.125°W - 104.000°W | o37104h1.tif | |||||||
| Arapahoe | 7.5deg x 7.5deg | 1:24,000 | 38.875°N - 38.750°N | 102.250°W - 102.125°W | o38102g2.tif | |||||||
| Arapahoe | 15min x 15min | 39.000°N - 38.750°N | 102.250°W - 102.000°W | |||||||||
| Arapahoe NE | 7.5deg x 7.5deg | 1:24,000 | 39.000°N - 38.875°N | 102.125°W - 102.000°W | o38102h1.tif | |||||||
| Arapahoe NW | 7.5deg x 7.5deg | 1:24,000 | 39.000°N - 38.875°N | 102.250°W - 102.125°W | o38102h2.tif | |||||||
| Arapahoe SE | 7.5deg x 7.5deg | 1:24,000 | 38.875°N - 38.750°N | 102.125°W - 102.000°W | o38102g1.tif | |||||||
| Archuleta Creek | 7.5deg x 7.5deg | 1:24,000 | 37.125°N - 37.000°N | 106.625°W - 106.500°W | o37106a5.tif | |||||||
| Arcola | 7.5deg x 7.5deg | 1:24,000 | 41.125°N - 41.000°N | 104.500°W - 104.375°W | o41104a4.tif | |||||||
| Arickaree | 7.5deg x 7.5deg | 1:24,000 | 39.750°N - 39.625°N | 103.125°W - 103.000°W | o39103f1.tif | |||||||
| Arkansas Mountain | 7.5deg x 7.5deg | 1:24,000 | 38.500°N - 38.375°N | 105.750°W - 105.625°W | o38105d6.tif | |||||||
| Arlington | 15min x 15min | 38.500°N - 38.250°N | 103.500°W - 103.250°W | |||||||||
| Arlington | 7.5deg x 7.5deg | 1:24,000 | 38.375°N - 38.250°N | 103.375°W - 103.250°W | o38103c3.tif | |||||||
| Arlington NE | 7.5deg x 7.5deg | 1:24,000 | 38.500°N - 38.375°N | 103.375°W - 103.250°W | o38103d3.tif | |||||||
| Armel | 7.5deg x 7.5deg | 1:24,000 | 39.875°N - 39.750°N | 102.125°W - 102.000°W | o39102g1.tif | |||||||
| Aroya | 7.5deg x 7.5deg | 1:24,000 | 38.875°N - 38.750°N | 103.250°W - 103.125°W | o38103g2.tif | |||||||
| Arriba | 7.5deg x 7.5deg | 1:24,000 | 39.375°N - 39.250°N | 103.375°W - 103.250°W | o39103c3.tif | |||||||
| Arriba | 15min x 15min | 39.500°N - 39.250°N | 103.500°W - 103.250°W | |||||||||
| Arriba NE | 7.5deg x 7.5deg | 1:24,000 | 39.500°N - 39.375°N | 103.375°W - 103.250°W | o39103d3.tif | |||||||
| Arriba NW | 7.5deg x 7.5deg | 1:24,000 | 39.500°N - 39.375°N | 103.500°W - 103.375°W | o39103d4.tif | |||||||
| Arriola | 7.5deg x 7.5deg | 1:24,000 | 37.500°N - 37.375°N | 108.750°W - 108.625°W | o37108d6.tif | |||||||
| Arroyo | 30min x 30min | 39.000°N - 38.500°N | 103.500°W - 103.000°W | |||||||||
| Arsenic Lake | 15min x 15min | 38.750°N - 38.500°N | 103.000°W - 102.750°W | |||||||||
| Arsenic Lake | 7.5deg x 7.5deg | 1:24,000 | 38.750°N - 38.625°N | 103.000°W - 102.875°W | o38102f8.tif | |||||||
| Arsenic Lake SW | 7.5deg x 7.5deg | 1:24,000 | 38.625°N - 38.500°N | 103.000°W - 102.875°W | o38102e8.tif | |||||||
| Arvada | 7.5deg x 7.5deg | 1:24,000 | 39.875°N - 39.750°N | 105.125°W - 105.000°W | o39105g1.tif | |||||||
| Ash Mountain | 15min x 15min | 37.000°N - 36.750°N | 105.250°W - 105.000°W | |||||||||
| Aspen | 15min x 15min | 39.250°N - 39.000°N | 107.000°W - 106.750°W | |||||||||
| Aspen | 7.5deg x 7.5deg | 1:24,000 | 39.250°N - 39.125°N | 106.875°W - 106.750°W | o39106b7.tif | |||||||
| Atkinson Creek | 7.5deg x 7.5deg | 1:24,000 | 38.500°N - 38.375°N | 108.750°W - 108.625°W | o38108d6.tif | |||||||
| Atwood | 7.5deg x 7.5deg | 1:24,000 | 40.625°N - 40.500°N | 103.375°W - 103.250°W | o40103e3.tif | |||||||
| Atwood | 15min x 15min | 40.750°N - 40.500°N | 103.500°W - 103.250°W | |||||||||
| Atwood NE | 7.5deg x 7.5deg | 1:24,000 | 40.750°N - 40.625°N | 103.375°W - 103.250°W | o40103f3.tif | |||||||
| Autograph Cliff | 15min x 15min | 37.000°N - 36.750°N | 102.750°W - 102.500°W | |||||||||
| Autograph Cliff NW | 7.5deg x 7.5deg | 1:24,000 | 37.000°N - 36.875°N | 102.750°W - 102.625°W | o36102h6.tif | |||||||
| Avalo | 15min x 15min | 41.000°N - 40.750°N | 103.750°W - 103.500°W | |||||||||
| Avalo | 7.5deg x 7.5deg | 1:24,000 | 40.875°N - 40.750°N | 103.750°W - 103.625°W | o40103g6.tif | |||||||
| Avalo SE | 7.5deg x 7.5deg | 1:24,000 | 40.875°N - 40.750°N | 103.625°W - 103.500°W | o40103g5.tif | |||||||
| Avondale | 7.5deg x 7.5deg | 1:24,000 | 38.250°N - 38.125°N | 104.375°W - 104.250°W | o38104b3.tif | |||||||
| Axial | 15min x 15min | 40.500°N - 40.250°N | 108.000°W - 107.750°W | |||||||||
| Axial | 7.5deg x 7.5deg | 1:24,000 | 40.375°N - 40.250°N | 107.875°W - 107.750°W | o40107c7.tif | |||||||
| Aztec | 1deg x 2deg | 1:250,000 | 37.000°N - 36.000°N | 108.000°W - 106.000°W | c36106a1.tif | |||||||
| Aztec E | 1deg x 1deg | 37.000°N - 36.000°N | 107.000°W - 106.000°W | |||||||||
| Aztec W | 1deg x 1deg | 37.000°N - 36.000°N | 108.000°W - 107.000°W |