With February being the bicentennial of Darwin's birth and the 150th anniversary of On the Origin of Species, how about a map by Darwin. The above map shows three cross sections of the southern Andes. Included are not only elevations but simple bedrock types (granite, sandstone, etc...).
Map Information Darwin, C. R. 1846. Plate 1. From Geological observations on South America. Being the third part of the geology of the voyage of the Beagle, under the command of Capt. Fitzroy, R.N. during the years 1832 to 1836. Smith Elder and Co.