Pamphlets on Conservation of Natural Resources, Band 16U.S. Government Printing Office, 1952 |
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Seite 114
... Fire , " " Where the Drain Goes , " " Uses of Wood , " " How Fire Ruins Wood , " and the like . Boys and girls both worked on bar graphs showing " Exports and Imports of Lumber from Leading Countries , " " Production , Shipments , and ...
... Fire , " " Where the Drain Goes , " " Uses of Wood , " " How Fire Ruins Wood , " and the like . Boys and girls both worked on bar graphs showing " Exports and Imports of Lumber from Leading Countries , " " Production , Shipments , and ...
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... fire prevention is included in the course of study in the primary grades of all public schools , " and definite instruction in the said subject shall be given to each pupil and student therein , and a period of not less than 20 minutes ...
... fire prevention is included in the course of study in the primary grades of all public schools , " and definite instruction in the said subject shall be given to each pupil and student therein , and a period of not less than 20 minutes ...
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... Fire Fighter groups have been formed in many communities , pledged to prevent and fight fires , and the effect of example on parents when the family is out on a picnic . is invaluable , especially in areas where fires occur frequently ...
... Fire Fighter groups have been formed in many communities , pledged to prevent and fight fires , and the effect of example on parents when the family is out on a picnic . is invaluable , especially in areas where fires occur frequently ...
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... fire , overgrazing , landclearing , or strip mining , sets back forest development to a point where several years are required to reestablish conditions under which litter is again deposited at a satisfactory rate . Fire is running ...
... fire , overgrazing , landclearing , or strip mining , sets back forest development to a point where several years are required to reestablish conditions under which litter is again deposited at a satisfactory rate . Fire is running ...
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... fires , insect or disease epidemics , storms , floods , and droughts . Timber cutting , grazing , draining , and damming all affect succession , and may produce severe dislocations . When a forest is destroyed ... fire , may result 37.
... fires , insect or disease epidemics , storms , floods , and droughts . Timber cutting , grazing , draining , and damming all affect succession , and may produce severe dislocations . When a forest is destroyed ... fire , may result 37.
Häufige Begriffe und Wortgruppen
agencies Agriculture animals areas birds booklet boys brush burned CALIFORNIA LIBRARY camp cent Chuck Coast Redwood CONCERN FOR TOMORROW conservation education CONSERVATION-CONCERN FOR TOMORROW County Division erosion farmers feet field fish forest fires forest land Forest Service forestry grass grazing ground grow growth habitat Halliday hardwoods harvest Illinois important inches increased industry insects International Paper Company irrigation JACKIE JACKIE DAVIS Jerry lakes logs looked materials mineral natural resources nursery Ohio organizations outdoor parks pasture pine plant plow practices present problems production protection pulp PULPWOOD pupils rain recreation redwood River school forest seedlings seeds shortleaf pine slope South Southern species stand streams supply teachers terrace timber tion topsoil Tree Crop tree farm U.S. Forest Service Uncle Charles United UNIVERSITY OF CALIFORNIA Valley watershed wild wildlife wood wood pulp woodland woodlot
Beliebte Passagen
Seite 18 - Helen Heffernan, Chief, Bureau of Elementary Education, California State Department of Education; Herbert Gwinn, Consultant in Secondary Education, California State Department of Education; Sven G.
Seite 30 - ... of soil conservation was needed. Out of the knowledge of every scientific discipline which could contribute, from the technique of every agricultural profession which could be made to play a part, a coordinated plan of soil conservation is being built. Since 1933, when the Soil Erosion Service (now the Soil Conservation Service of the US Department of Agriculture) was established, there has been a tremendous expansion of work in soil conservation. New techniques have been developed and old ones...
Seite 32 - When the common law was adopted in 1850, it was made the rule of decision in all the courts of this state, so far as it was not repugnant to or inconsistent with the constitution of the United States, or the constitution or laws of this state. At that time the principal industries of the state were mining and cattle raising. To encourage and promote these industries, acts were passed by the legislature, before the adoption of the common-law, which have been held...
Seite 23 - Section 52200, within or without the boundaries of the school district and for that purpose employ instructors, supervisors, and other personnel and provide necessary equipment and supplies. (b) Transport or arrange...
Seite 30 - ... their variety and classification (exhaustible, such as, petroleum and minerals, and renewable, such as soils, forests, and wildlife) ; their geographic distribution and availability; their value and importance to man; their national, state, and local importance. 2. To present vividly the fact that all human activities and institutions have their bases in, and are dependent on, natural resources. The standard of living of a locality or a state reflects the condition of the resources of the locality...
Seite 10 - ... materials ; feeding trays, bird houses ; work on the improvement of home and school grounds ; adoption of some local feature, park, or landmark to protect ; responsibility for the custodianship of school equipment, surveying local flood control, irrigation, purification, softening, or other water problems. b. Having presented the facts on our natural resources and provided pertinent related activities, we can, with assurance, let intelligence take its course in the matter of developing a philosophy...
Seite 22 - I will never disgrace these sacred arms, nor desert my companion in the ranks. I will fight for temples and public property, both alone and with many. I will transmit my fatherland, not only not less, but greater and better, than it was transmitted to me.