00797nam a22002777a 4500 CHAP 20220329140246.0 971013s1942 r 00010 d 49346 50318 54468 CHAP 631.4 R6 Roberts, R. C. 97935 Soil survey of Puerto Rico Washington : Superintendent of Documents, 1942 503 p. : ilus. ; mapas USDA. Series 1936 ; 8 BATCH-UPD 10 20130110 UCH01 0723 CONVERSION 10 20130109 UCH01 1327 Suelos Puerto Rico. 110467 USDA. Series 1936 ; 8 117075 BK LIBRO 631.4 R6 BC BPA -120165 BPA 33743 54468 i 49346 49346 1 0 0 3 0 MD BC BC 2019-12-31 LIBRO 127 0 631.4 R6 -120165 2019-12-31 00:00:00 2019-12-31 LIBRO