00557cam a22002294a 450000100060000000300110000600500170001700800410003404000270007504100080010204400080011008000160011810000200013424500370015426000300019130000200022165000150024165000240025665000170028065500100029770000200030736439AR-SsjUBGM20251206161930.0250720s1930 xxk 000 0 eng d aAR-SsjUBGMcAR-SsjUBGM0 aeng axxk a550.8:528.41 aGreenly, Edward10aMethods in geological surveying. aLondon :bT.Murby,c1930. a420 p. ;c21 cm 4aGeología 4aGeología aplicada 4aTopografía 4aLibro1 aWilliams, Howel