SC XI
- After 1938 hurricane, SC XI, P-3; Slab City Tract. 1939
- Deed: Albert H. Upham and Charles F. Upham to Harvard, 1934. 1921-1934
- Red pine planted on old pasture; SC XI, P-6-19. 1928
- Silvics of Hemlock (Tsuga canadensis). 1912
- Slab City XI 1925-27 Stand Map. 1925-1927
- Slab City XI 1929 Stand Map. 1929
- Slab City XI 1933 Stand Map. 1933
- Slab City XI 1937 Stand Map. 1937
- Slab City XI Upham Lot Harvard Forest 1935. 1935