الرئيسية / علوم طبيعية
كتب علوم طبيعية
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- A report on the trees and shrubs growing naturally in the forests of MassachusettsGeorge B. Emerson
- A survey of certain tree crops in PennsylvaniaPennsylvania. Department of Agriculture
- Forest plantingH. Nicholas Jarchow
- More intensive reforestation and timber stand improvement programs could help meet timber demand, Forest Service, Department of Agriculture;United States. General Accounting Office
- Food plants of North American LepidopteraSidney C Carpenter
- Destructive and useful insects; their habits and controlC. L. Metcalf
- Forest entomologyT. O. Thatcher
- 1963 census of commercial fisheries: number of operators and fishing vessels, employment and gross receipts, fishing regions, primary catch,United States. Bureau of the Census
- Theory and dynamics of grassland agricultureJack R Harlan
- Forage cropsGilbert H. Ahlgren
- A forest industry processing and marketing complex for eastern Kentuckyinc Macdonald Associates
- Products of American forestsJoseph Alfred Hall
- National pulp and paper requirements in relation to forest conservation. Letter from the secretary of agriculture transmitting in response tUnited States. Department of Agriculture
- Standard classification of activities and procedure in Forest service accountingUnited States. Department of agriculture. Division of accounts and disbursements
- Forest land taxation in MichiganUnited States. Division of Forest Economics and Marketing Research
- The theory and practice of working plans (forest organization)A. B. Recknagel
- Price trends in forest products and stumpage; a case study in SwedenThorsten Streyffert
- Forest resources, lumber industry and lumber export trade of FinlandUnited States. Department of Commerce
- A report on "The influence of forests on climate and on floods", by Willis L. Moore ... chief of the U. S. Weather bureauUnited States. Weather Bureau
- Laws, decisions, and opinions applicable to the national forestsUnited States. Department of Agriculture. Office of the General Counsel
- Agricultural appropriation billUnited States. Congress. Senate. Committee on Agriculture and Forestry
- Report of the secretary of agriculture on the Southern Appalachian and White Mountain watersheds; commercial importance, area, condition, adUnited States. Department of Agriculture
- Ouachita national forest, Arkansas-Oklahoma. United States Department of agriculatureUnited States. Forest Service. Southern Region
- Chippewa national forest, MinnesotaUnited States. Forest Service. North Central Region
- San Juan national forest, ColoradoUnited States. Forest Service. Rocky Mountain Region
- General summary of land classification reports for the establishment of state forests and conservation areasMinnesota. Department of Conservation
- Forest conditions in the Olympic forest reserve, Washington, from notes by Arthur Dodwell and Theodore F. RixonArthur Dodwell
- Forests of Mount Rainier national parkG. F Allen
- Statewide wildlife survey of Tennessee, A study of the land, wildlife, farmer, hunter and trapper; final report of work accomplished with FrTennessee. State Game and Fish Commission
- Regional changes of farm animal production in relation to land utilization. A preliminary reportUnited States. Bureau of Agricultural Economics
- Infectiousness of milk ; result of investigations made for the trustees of the Massachusetts society for promoting agricultureHarold C. Ernst
- United States census of agriculture: 1935United States. Bureau of the Census
- American honey plants : together with those which are of special value to the beekeeper as sources of pollenFrank C. Pellett
- Report on the principal fisheries of the American seasLorenzo Sabine
- The fisheries dispute; a suggestion for its adjustment by abrogating the Convention of 1818, and resting on the rights and liberties definedJohn Jay
- Newfoundland, its fisheries and general resourcesAmbrose Shea
- The fisheries of the BahamasA. J. Adderley
- Notes on the sea fisheries and fishing population of the United Kingdom. Arising from information and experience gained during three years; Duke of Saxe-Coburg and Gotha Alfred
- A hunter's experiences in the Southern States of America : being an account of the natural history of the various quadrupeds and birds whichCaptain Flack
- Special wildlife refuge projects; how they may be establishedPennsylvania Game Commission
- Stories of inventors and discoverers in science and the useful arts. A book for old and young.John Timbs
- The useful arts, considered in connexion with the applications of science: with numerous engravings.Jacob Bigelow
- Science and art. Systems, institutions and statistics of scientific instruction, applied to national industries in different countriesHenry Barnard
- Research, the pathfinder of science and industryThomas Alvin Boyd
- Elastic and plastic properties of soils and their influence on the continuous support of rigid pavementsSpencer J Buchanan
- Final environmental statement for the Geothermal Leasing ProgramUnited States. Department of the Interior
- Final environmental statement for the prototype oil-shale leasing programUnited States. Department of the Interior
- Geological observations on the volcanic islands, visited during the voyage of H.M.S. Beagle, together with some brief notices on the geologyتشارلز داروين
- Geological glossary. For the use of studentsThomas Oldham
- Dictionary of geological terms (exclusive of stratigraphic formations and paleontologic genera and species)C. M. Rice
- The chemistry and examination of edible oils and fats, their substitutes and adulterantsG. D Elsdon
- The chemistry of linseed oilJ. Newton Friend
- The chemistry of drying oilsR. S. Morrell
- College text-book of geologyThomas C. Chamberlin
- Aids in practical geologyGrenville A. J. Cole
- Researches in theoretical geologyHenry T. De La Beche
- Textbook of geologyArchibald Geikie
- Class-book of geologyArchibald Geikie
- Geology for students and general readers. Part I, Physical geologyA. H. Green
- General principles of geologyJ. F Kirkaldy