1. Colorado : Aspen special map

2. Nevada, Colorado

3. Cripple Creek, Colorado

4. Gold belt map of Colorado : showing the great gold belt of the Rocky Mountains

5. View of Georgetown, Colorado, 1874

6. Breckenridge special [map, Summit County, Colorado]

7. Colorado (Dolores County), Rico special map

8. Topography, Leadville Mining District, Lake County, Colorado

9. Colorado (Clear Creek County), Silver Plume special map

10. Plat of Oro Fino La Plata County, Colorado

11. Map of The Gilpin County Gold Region. Colorado Territory

12. Topographical Map of Clear Creek and Summit Co's. Colorado

13. (Momument Mountain Topographical / Birdeye View La Plata County, Colorado) Manuscript

14. Plat of Job Lots Mines & Others, La Plata County, Colorado

15. Plat of Job Lots Mines & Pocahontas Mines, La Plata County, Colorado

16. (Sketch Drawings for Proposed Tunnel On Favorite Vein : La Plata County, Colorado)

17. (Untitled Manuscript Mining Map of Mining Regions in La Plata County, Colorado)

18. Thayer's Map Of The Leadville Mines California Mining District Lake County Colorado. ... Compiled From The United States Surveys And County Records. Published by H.L. Thayer, Leadville, Colorado. Julius Bien, Photo-Lith. N.Y

19. Carte Du District Aurifere de Black Hawk Central City et Nevada Comte de Gilpin (Colorado) . .

20. Plan of Georgetown and Vicinity, Colorado Ter'y. Exhibiting the Lodes belonging to the Green Mountain Silver Mining Company

21. Plat Map of the Town Of Tin Cup, Colorado. Dated Dec. 7, 1889. Drawn by H. R. Morris, Surveyor

22. Cannon's Map of the Mineral Belt of Colorado Taken from the Records of the Surveyor General's Office and Other Reliable Official Sources

23. Map of Red Mountain and the Mining Region of San Juan, Ouray, San Miguel and Dolores Counties, Colorado. By Emil Fischer. 1886

24. Plat of the Claim of Marcus W. Rasbach upon the Oregon Lode and Mill Site, Iowa and Banner Mining Districts Clear Creek County, Colorado