000			00362nam a22001337a 4500
082			_a625.15136 _bUNI _cL-16, P-29
100			_aUS Department of Interior
245			_aEarth manual _cUS Department of Interior
250			_aFirst edition
260			_aUSA _bUS Government Printing office Washington _c1968
300			_axxviii, 783.p:
650			_aMCE
942			_cBK
999			_c6732 _d6732