000 00974cam a22002654a 4500
001 000004983974
003 EC-PaCDF
005 20181011094518.0
008 181011s1972 xxu|||||||||||||||||eng|d
040 _aCaOOFF
_bspa
_cCaOOFF
_dEC-PaCDF
043 _an-us---
055 _aS946
074 _a1972 0--469-236
082 _223
_a370.193
110 2 _aU. S. Department of the interior. National Park Service
245 0 0 _aNational environmental study area :
_ba guide /
_cNational Park Service.
260 0 _a[Washington, D.C.?] :
_bU.S. Dept. of the Interior, National Park Service, Office of Environmental Interpretation,
_c[1972?]
300 _a57 p. :
_bill. ;
_c26 cm.
504 _aBibliography : p. 53-56.
546 _aIngles
650 0 _aConservation of natural resources
_xStudy and teaching
_zUnited States.
_93381
650 0 _aNational environmental study areas.
_93382
710 1 0 _aUnited States.
_bNational Park Service.
_93383
942 _2ddc
_cBOOK
999 _c12067
_d12067