Pamphlets on Conservation of Natural Resources, 19권U.S. Government Printing Office, 1959 |
자주 나오는 단어 및 구문
acres birds boys and girls Bulletin burning California camp children learn City classroom coal conservation activities conservation education CONSERVATION EXPERIENCES Conservationists cooperation County crops dams elementary schools erosion evaporation EXPERIENCES FOR CHILDREN farm farmers Federal field trips Film flood forest fires Forest Service Forestry Four-H Club garden grade grass groups grow gullies habitat Humboldt County important Indiana industries insects interest kinds land Leaflet living materials minerals multiflora roses museum natural resources NATURE AREAS observe organizations outdoor plant trees ponds practices present problems pupils Purdue University rain recreation river school forest school grounds seedlings seeds servation shrubs Soil Conservation Service sources streams supply teachers and children Tillamook Burn timber tion topsoil tree planting U.S. Forest Service United Washington waste Water Cycle water table watershed wild animals wild flowers woodland woods York
인기 인용구
6 페이지 - I come from haunts of coot and hern, I make a sudden sally And sparkle out among the fern, To bicker down a valley. By thirty hills I hurry down, Or slip between the ridges, By twenty thorps, a little town, And half a hundred bridges.
226 페이지 - ... to conserve the scenery and the natural and historic objects and the wild life therein and to provide for the enjoyment of the same in such manner and by such means as will leave them unimpaired for the enjoyment of future generations.
46 페이지 - America shall fall, the subject for contemplative sorrow will be infinitely greater than crumbling brass and marble can inspire. It will not then be said, here stood a temple of vast antiquity; here rose a babel of invisible height; or there a palace of sumptuous extravagance; but here...
46 페이지 - The great corporations are acting with foresight, singleness of purpose, and vigor to control the water powers of the country. They pay no attention to state boundaries and are not interested in the constitutional law affecting navigable streams except as it affords what has been aptly called a "twilight zone...
100 페이지 - The application of common sense to common problems for the common good, under the guidance of the principles upon which this Republic was based, and by virtue of which it exists, spells perpetuity for the Nation, civil and industrial liberty for its citizens, and freedom of opportunity in the pursuit of happiness for the plain American, for whom this Nation was founded...
46 페이지 - ... lofty pyramids, and walls and towers of the most costly workmanship. But when the Empire of America shall fall, the subject for contemplative sorrow will be infinitely greater than crumbling brass or marble can inspire.
6 페이지 - A nation deprived of liberty may win it, a nation divided may reunite, but a nation whose natural resources are destroyed must inevitably pay the penalty of poverty, degradation, and decay.
70 페이지 - ... about helping her father stop erosion on a vacant lot they owned. One boy built a small dam on a creek. Bill and his friends made some check dams when on a camping trip. The children, firsthand, found out many things about planting cover crops, strip cropping, contour plowing, terracing, shelterbelts for preventing wind erosion, and other ways of using and conserving the soil. They made posters showing what they had learned in their study of conservation. They made plans for future use of the...