00848cam a2200229 4500 758044430 TxAuBib 19911211120000.0 821217s1983||||||||||||||||||||||||eng|u 82019660 9780811722131 pbk. $12.95 0811722139 pbk. $12.95 (OCoLC)9131842 DLC DLC TXN TxAuBib Brown, Vinson, 1912-1991. Investigating nature through outdoor projects [Book] : 36 strategies for turning the natural environment into your own laboratory / Vinson Brown. Harrisburg, PA : Stackpole Books, 1983. 254 p. : ill. ; 23 cm. Bibliography: p. 243-248. 19911211. RV8