Url https://edisondigital.rutgers.edu/document/D9914AAG Resource class dctype:Text Title [D9914AAG], Letter from Colorado Midland Railway Co, George Washington Ristine to Thomas Alva Edison, December 27th, 1899 Creator Colorado Midland Railway Co Ristine, George Washington Subject Ore exploration and mining Ore milling (non-iron ore) Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1899-12-27 Type Letter Identifier D9914AAG Source 186:305 Rights Thomas Edison National Historical Park Date Created 1899-12-27 Has Version https://archive.org/details/edisonmicrofilm186/page/n314/mode/1up Archive.org Viewer, Microfilm Series Reel 186 Is Part Of D9914-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/D9914AAG https://edisondigital.rutgers.edu/document/D9914AAG --