[Outcrop descriptions; notes on cards sent to USGS] Read more about [Outcrop descriptions; notes on cards sent to USGS]
[Topography, multiple counties in southwest Missouri] Read more about [Topography, multiple counties in southwest Missouri]
[Lafayette, Barry and Christian Counties topography notes] Read more about [Lafayette, Barry and Christian Counties topography notes]
Clay, ochre & lead notes in S.E. Missouri Sep. Oct 1894 Read more about Clay, ochre & lead notes in S.E. Missouri Sep. Oct 1894
