TY  - BOOK
AU  - Read, Ralph A.
AU  - Sprackling, John A.
TI  - Red pine provenance study in eastern Nebraska
U1  - P 634.9751 21st ed.
PY  - 1975///
CY  - Colorado
PB  - Rocky Mountain Forest and Range Experiment Station
KW  - Forest plantations
KW  - Forests and forestry
KW  - Pine
ER  -