1873, Oct. 23. Articles of Agreement between S. A. McConnell and O. S. Dawson. HM 65681

1876, Apr. 11. Notice of location of the Liverpool Consolidated Tunnel by James Montgomery. HM 65682

1876, Apr. 11. Notice of location of the Liverpool Consolidated Tunnel by James Montgomery. [Different from the above item.] HM 65683

1876, Apr. 13. Indenture between James Montgomery and O. S. Dawson for mining ground known as the Liverpool Consolidated Tunnel. In Oversize Items. HM 65684

1876, May 8. M. W. Harny letter to O. S. Dawson. HM 65685

1879, Sep. 8. Gillson, Barber & Co. letter to O. S. Dawson. HM 65686

1879, Sep. 16. Certificate of Incorporation of the Sonora Consolidated Mining Company of Bodie District, California. In Oversize Items. HM 65687

1879, Sep. 18. H. K. Adams letter to the Board of Directors of the Sonora Consolidated Mining Company. HM 65688

1879-1880. Account with O. S. Dawson by H. K. Adams. In Oversize Items. HM 65689

1880, Jan. 19. Statement of Purpose for Assessment of the Sonora Consolidated Mining Company. HM 65690

1880, Jan. 30. Notice of location of South Richmond Mining Claim, Bodie Mining District. In Oversize Items. HM 65691

1880, Jan. 31. Alexander R. Chisholm letter to O. S. Dawson. HM 65692

1880, Feb. 16. Title Conveyance to O. S. Dawson for the "South Richmond" Mine by Thomas Jones. HM 65693

1880, Mar. 30. Notice of location of Bertha Mining Claim, Bodie Mining District. In Oversize Items. HM 65694

1880, Mar. 30. Notice of location of Bruce Mining Claim, Bodie Mining District. In Oversize Items. HM 65695

1880, Mar. 30. Notice of location of Glendover Mining Claim, Bodie Mining District. In Oversize Items. HM 65696

1880, Mar. 30. Notice of location of H. K. Adams Mining Claim, Bodie Mining District. In Oversize Items. HM 65697

1880, Mar. 30. Notice of location of Lancaster Mining Claim, Bodie Mining District. In Oversize Items. HM 65698

1880, Apr. 1. Plat of the Glendover Mine Situated in Bodie Mining District, Mono County, California. In Oversize Items. HM 65699

1880, Apr. 22. J. P. Wood letter to O. S. Dawson. HM 65700

1880, May 3. Receipt for Shares of the Stock of the Sonora Consolidated Mining Company of Thomas L. Jackson. HM 65701

1880, June 5-Sep. 9. Memorandum of Items of Amounts Disbursed. In Oversize Items. HM 65702

1880, June 30. J. P. Wood letter to O. S. Dawson. HM 65703

1880, Oct. 28. J. P. Wood letter to O. S. Dawson. HM 65704

1880, Nov. 17. O. S. Dawson letter to J. P. Wood. HM 65705

1880, Nov. 23. O. S. Dawson letter to J. P. Wood. HM 65706

1880, Dec. 3. O. S. Dawson letter to A. A. Drake. HM 65707

1880, Dec. 6. Agreement of Money Owed to H. K. Adams by O. S. Dawson. HM 65708

1880, Dec. 8. O. S. Dawson letter to C. L. Anderson. HM 65709

1880, Dec. 9. O. S. Dawson letter to J. P. Wood. HM 65710

1880, Dec. 17. O. S. Dawson letter to J. P. Wood. HM 65711

[1880]. J. P. Wood letter to O. S. Dawson. HM 65712

1881, Jan. 11. O. S. Dawson letter to J. P. Wood. HM 65713

1881, Jan. 17. H. K. Adams letter to O. S. Dawson. HM 65714

1881, Feb. 11. J. P. Wood to O. S. Dawson. HM 65715

1881, Mar. 23. O. S. Dawson letter to J. P. Wood. HM 65716

1881, May 11. Receipt for Shares of the Stock of the Sonora Consolidated Mining Company of J. F. Crumbie. HM 65717

1881, May 13. P. Barnes (?) letter to O. S. Dawson. HM 65718

1881, May 20. John H. Andrews letter to H. K. Adams. HM 65719

1881, Sep. 12. J. P. Wood letter to O. S. Dawson. HM 65720

1881, Oct. 10. S. R. Randolph letter to O. S. Dawson. HM 65721

1881, Nov. 15. S. R. Randolph letter to O. S. Dawson. HM 65722

1881, Dec. 27. Meeting Minutes of the Trustees of the Hidden Treasure Consolidated Mining Company. HM 65723

1882, Jan. 3. Prescott Burbank letter to the President and Trustees of the Hidden Treasure Consolidated Mining Company. HM 65724

1882, Jan. 5. S. R. Randolph letter to O. S. Dawson. HM 65725

1882, Jan. 13. S. R. Randolph letter to O. S. Dawson. HM 65726

1882, Feb. 9. S. R. Randolph letter to O. S. Dawson. HM 65727

1882, Mar. 22. S. R. Randolph letter to O. S. Dawson. HM 65728

1882, Apr. 28. S. R. Randolph letter to O. S. Dawson. HM 65729

1883, Jan. 1. Notice of location of Hidden Treasure Consolidated Mining Claim District. In Oversize Items. HM 65730

1884, Apr. 11. O. S. Dawson letter to John W. Hoyt. HM 65731

1884, Apr. 26. O. S. Dawson letter to John W. Hoyt. HM 65732

1887, Sep. 1. J. E. Condict letter to O. S. Dawson. HM 65733

1891, Aug. 25. C. H. Adams letter to O. S. Dawson. HM 65734

1891, Nov. 25. F. W. Hamilton letter to O. S. Dawson. HM 65735

1902, Feb. 28. G. W. Maynard letter to O. S. Dawson. HM 65736

1905, Apr. 24. O. S. Dawson letter to George W. Thompson. HM 65737

1907, June 8. Thomas Stowell letter to O. S. Dawson. HM 65738

1907, Sep. 4. O. S. Dawson letter to E. P. Osgood. HM 65739

1907, Sep. 5. O. S. Dawson telegram to E. P. Osgood. HM 65740

1907, Sep. 5. O. S. Dawson letter to E. P. Osgood. HM 65741

1907, Sep. 18. E. P. Osgood telegram to O. S. Dawson. HM 65742

1909, Apr. 1. Arizona Corporation Charter Guarantee Co. letter to "Dear Sir." Includes three pieces of ephemera. HM 65743

[1909]. Ramsey-Ottawa Mining Co. letter to "Dear Sir." Includes several items of ephemera regarding mining in Nevada. HM 65744

1910, May 4. O. S. Dawson letter to the Directors of the Ramsey-Ottawa Mining Company. HM 65745

[n.d.]. Report on the Wood Mine, Mariposa County, California, by Samuel Tyler. HM 65746

[n.d.]. Report on the Wood Mine, Mariposa County, California, by Samuel Tyler.[Different from the above item.] HM 65747

[n.d.]. A H. W. letter to O. S. Dawson. Includes plat of mining areas in Nevada. HM 65748