Ponderosa pine stump section showing tree growth rings and fire scars from 1680-1930. Deming Creek. Bly, Oregon. Note: "For the long-period fluctuations, five areas were selected in widely separated sections o More
Ponderosa pine stump section showing tree growth rings and fire scars from 1255-1930. Deming Creek. Bly, Oregon. Note: "For the long-period fluctuations, five areas were selected in widely separated sections o More