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999 _c61802
_d61802
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020 _a82902
041 _aEN
082 _a910.19
_bEAR
_223
245 _aEARTH resources
_c/edited by Charles F. Park
260 _aWashington
_bVoice of America
_c1975
300 _a349 p.-
440 _aForum series
509 _aNS
700 _947176
_aPark, Charles F., ed.
_eedt
942 _cS