| Ritter, C. L. - Lumber Co. No. 256, Dundon, WV |
256 |
| Ritter, C. L. - Lumber Co. No. 710, Whitewood, VA |
710 |
| Ritter, C. L. - Lumber Co. No. 758, Whitewood, VA |
758 |
| Ritter, C. L. - Lumber Co. No. 824, Whitewood, PA |
824 |
| Ritter, C. L. - Lumber Co., Dundon, WV |
X277 |
| Ritter, W. M. - Lumber Co. No. 180 REGINA, Hurley, WV |
180 |
| Ritter, W. M. - Lumber Co. No. 2, Hurley, WV |
1473 |
| Ritter, W. M. - Lumber Co. No. 206, Devon, WV |
206 |
| Ritter, W. M. - Lumber Co. No. 207, Devon, WV |
207 |
| Ritter, W. M. - Lumber Co. No. 217, Hurley, VA |
217 |
| Ritter, W. M. - Lumber Co. No. 247, Devon, WV |
247 |
| Ritter, W. M. - Lumber Co. No. 3, Swandale, WV |
1692 |
| Ritter, W. M. - Lumber Co. No. 485, Devon, WV |
485 |
| Ritter, W. M. - Lumber Co. No. 8, Unknown Location |
X487 |
| Ritter, W. M. - Lumber Co., Daisy, KY |
1111 |
| Ritter, W. M. - Lumber Co., Daisy, KY |
1361 |
| Ritter, W. M. - Lumber Co., Fitzpatrick, WV |
211 |
| Ritter, W. M. - Lumber Co., Hurley, VA |
343 |
| Ritter, W. M. - Lumber Co., Location Unknown |
742 |
| Ritter, W. M. - Lumber Co., Oxley, WV |
X207 |
| Ritter, W. M. - Lumber Co., Raleigh, WV |
X204 |
| Ritter, W. M. - Lumber Co., Welch, WV |
X56 |
| Roaring Camp & Big Trees Narrow Gauge Railroad No. 5, Felton, CA |
1692 |
| Robe & Menzel Lumber Co. No. 1, Granite Falls, WA |
674 |
| Robe & Menzel Lumber Co. No. 2, Granite Falls, WA |
900 |
| Robertson & Hackett Sawmills No. 99, Vancouver, BC |
1255 |
| Rock Creek Logging Co., Keasey, OR |
1009 |
| Rockcastle Lumber Co. No. 3, Seth, WV |
500 |
| Rockcastle Lumber Co. No. 4, Seth, WV |
610 |
| Rockcastle Lumber Co., Meeks, KY |
X196 |
| Rockcastle Lumber Co., Meeks, KY |
X197 |
| Rockcastle River Railway No. 3, Bond, KY |
X156 |
| Rockey, Eli, Willapa Bay, WA |
X394 |
| Rockey, George W. - No. 568, Rainier, OR |
568 |
| Rocky Branch Railroad No. 5, Conway, NH |
X108 |
| Rodes, D. L. - & Co., Beckley, WV |
363 |
| Rogers Lumber Co. No. 2, Warren, PA |
X64 |
| Rogers Lumber Co., Warren, PA |
X357 |
| Rogers Railroad No. 2, Warren, PA |
X64 |
| Roots of Motive Power No. 4, Willits, CA |
1621 |
| Ross Hill Silica Co., Torpedo, PA |
X143 |
| Ross Hill Silica Co., Torpedo, PA |
X225 |
| Ross Lumber Co., Arbor Vitae, WI |
X32 |
| Ross Lumber Co., Arbor Vitae, WI |
X33 |
| Rounds-Berchett Co. No. 4, Cowichan Lake, BC |
1678 |
| Rounds-Berchett Co., Ramsay Arm, BC |
285 |
| Rudulph, Bert, Willits, CA |
1621 |
| Ruggles & Co., Lemon, PA |
X13 |
| Ruthbell Lumber Co., Elkins, WV |
X505 |
| Rutledge, Edward - Timber Co. No. 103, Harrison, ID |
916 |
