Subject
- Dendrochronology -- Oregon -- LaDee Flat1
- Loggers -- Oregon -- LaDee Flat -- Social life and customs -- 20th century1
- Loggers -- Oregon -- Social conditions -- 20th century1
- Lumber camps -- Oregon -- History -- 20th century1
- Lumber camps -- Oregon -- LaDee Flat -- History -- 20th century1
- Sewage -- Microbiology1
- Shevlin-Hixon Company -- History1