00722pam a2200241 i 45000010008000000030004000080050017000120080041000290100017000700200025000870200031001120400017001430430012001600500020001720820010001921000019002022450085002212600055003063000021003615000020003825040030004026500048004321827682OSt20220328090503.0800609s1980    miu      b    001 0 eng    a   80036859   a047209324X :c$10.00  a0472063243 (pbk.) :c$5.95  aDLCcHUdDLC  an-us---00aE160b.S29 198000a917.31 aSax, Joseph L.10aMountains without handrails, reflections on the national parks /cJoseph L. Sax.  aAnn Arbor :bUniversity of Michigan Press,cc1980.  a152 p. ;c21 cm.  aIncludes index.  aBibliography: p. 139-148. 0aNational parks and reserveszUnited States.