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1937. Ponderosa pine stump section showing tree growth rings and fire ...
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
1937. Ponderosa pine stump section showing tree growth rings and fire ...
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