TY  - BOOK
AU  - Newlin,J.A.
AU  - Gahagan,J.M.
TI  - Tests of large timber columns and presentation of the Forest Products Laboratory column formula
T2  - Technical bulletin / United States Department of Agriculture
AV  - TA420 .N43
U1  - 620.12 
PY  - 1930///
CY  - Washington
PB  - U.S. Dept of Agriculture
KW  - Columns, Wooden
KW  - Wood
KW  - Testing
N1  - Cover title; "Contribution from Forest Service."; Literature cited: p. 43
ER  -