Category:May 1923 in California

Media in category "May 1923 in California"

The following 10 files are in this category, out of 10 total.

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  1923. Burning ponderosa pine log to control western pine beetle. Area 2. Southern Oregon Northern California cooperative control project. (33566998986).jpg 2,239 × 1,387; 373 KB
  
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  1923. Burning small trees in piles to control western pine beetle. Southern Oregon Northern California cooperative control project. (36220071401).jpg 1,766 × 1,163; 536 KB
  
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  1923. Burning to control western pine beetle. The end of the log says, "250 Years Old Killed by Beetle in One Year". Southern Oregon Northern California cooperative control project. (33450966922).jpg 1,894 × 1,222; 425 KB
  
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  1923. Camp 28. Calico Springs, Area 2. Southern Oregon Northern California beetle control project. (33478572901).jpg 1,192 × 1,750; 427 KB
  
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  1923. Felled and peeled ponderosa pine ready to burn for insect control. Southern Oregon Northern California beetle control project. (32793665663).jpg 1,178 × 1,838; 614 KB
  
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  Second Growth Redwood Cutting Experiment Project -688, Big River, Mendocino County, California.png 800 × 700; 573 KB
  
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  Second Growth Redwood Cutting Experiment Project 688, Big River, Mendocino County, California.png 800 × 700; 539 KB
  
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  Second Growth Redwood Cutting Experiment, Project -688, Big River, Mendocino County, California 4.png 800 × 700; 482 KB
  
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  Second Growth Redwood Cutting Experiment, Project 688, Big River, Mendocino County, California 1.png 800 × 700; 478 KB
  
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  Second Growth Redwood Cutting Experiment, Project 688, Big River, Mendocino County, California.png 800 × 700; 562 KB