204 adventurers alaska american authors autobiography bio023000his036140 biography botany ca california childhoodandyouth childhoodandyouthmuir climaticchanges co conservationists conservationofnaturalresources cuba descriptionandtravel diaries diariesmuir dixon explorers frontierandpioneerlife georgia glaciers hi history id inventors john journeysmuir local middlewest mountainecology mt muir naturalhistory naturalists nature natureconservation nv regimentalhistories religionmuir religiousaspects scotland sociallifeandcustoms soldiers southernstates state travelmuir unitedstates ut west(ak williamdaniel wisconsin wy) wz100m896j2005 yosemitevalley