. Boletín de la Sociedad Española de Historia Natural. Natural history. Bol. de la R. Soc. Esp. de Hist Nat--Tomo XIII. Lám Escalas 1 1 Corte transvcnal del lago de Castañeda siguiendo la linea de sondajcs C Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Sociedad Española de Historia Natural. Madrid : [Museo Nacional de Ciencias Naturales]

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatural, bookyear1901