Manual for outdoor laboratories; the development and use of schoolgrounds as outdoor laboratories for teaching science and conservation

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110 2 ‡aNational Association of Biology Teachers. ‡bNational Conservation Committee.
245 1 0 ‡aManual for outdoor laboratories; ‡bthe development and use of schoolgrounds as outdoor laboratories for teaching science and conservation / ‡cRichard L. Weaver, editor.
260 ‡aDanville, Ill. : ‡bInterstate Printers and Publishers, ‡c1959.
300 ‡a81 p. : ‡billus.
336 ‡atext ‡btxt ‡2rdacontent
337 ‡aunmediated ‡bn ‡2rdamedia
338 ‡avolume ‡bnc ‡2rdacarrier
504 ‡aIncludes bibliography.
538 ‡aMode of access: Internet.
590 ‡aErrata slip inserted.
650 0 ‡aNatural resources ‡xStudy and teaching. ‡0http://id.loc.gov/authorities/subjects/sh85090257
650 0 ‡aScience ‡xStudy and teaching. ‡0http://id.loc.gov/authorities/subjects/sh85118587
700 1 ‡aWeaver, Richard Lee, ‡d1911- ‡eeditor.
740 0 ‡aOutdoor laboratories.
899 ‡a39015035510042 ‡bBuhr B 1065509
CID ‡a001883832
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DAT 2 ‡a2023-06-26T17:30:02Z
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