Rules are given for prevention of spread of forest and field fires, together with abstracts of papers presented at conference held under auspices of Department of Forests and Waters of Pennsylvania.
Railroad forest protection
Am. Ry. Eng. Assn. -- Bul
American Railway Engineering Association -- Bulletin ; 31 , n 318
1929
2 pages
Aufsatz (Zeitschrift)
Englisch
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