TY - JOUR A1 - Aalto, K. R. T1 - Hermann Karsten, pioneer of geologic mapping in northwestern South America JO - Hist. Geo Space. Sci. J1 - HGSS VL - 6 IS - 1 SP - 57 EP - 63 Y1 - 2015/06/25 PB - Copernicus Publications SN - 2190-5029 UR - https://hgss.copernicus.org/articles/6/57/2015/ L1 - https://hgss.copernicus.org/articles/6/57/2015/hgss-6-57-2015.pdf DO - 10.5194/hgss-6-57-2015 ER -