Post by Anders Conbere
@toxi I have a neat book by a couple of geographers commissioned by the US Geologic Survey in 1968 that retraced John Wesley Powell’s survey of the grand canyon (colorado river) and meticulously resh…
@toxi I have a neat book by a couple of geographers commissioned by the US Geologic Survey in 1968 that retraced John Wesley Powell’s survey of the grand canyon (colorado river) and meticulously resh…