Annual Report of the Pennsylvania Department of Agriculture, Parte 2

Acre-Proof acres amount annual average band saw bark bark-beetle beetle boiler boom Borer burned cent chestnut circular saw Commissioner of Forestry Commonwealth condition conifers covered Creek cribs cubic feet Cynips destructive diameter dollars drainage drainage basin edger engine evaporation expenses flood flow forest fires fungi fungus furnish gallons galls gang gauge ground growth hemlock hickory horse power hundred inches infested insects larvæ lath mill leaf length locust log-loaders logs manufactured maple million feet mining operations owner Pennsylvania Perry county placed plants Plate portion Potter county protection rain rainfall river rock oak roots Section seed side slabbing soil South Mountains species spores spring spruce square miles steam feed streams supply surface Susquehanna Susquehanna boom Susquehanna river taken thousand feet timber timber lands tion Total trees trimmer twigs white oak white pine Williamsport wood yellow pine