00481nam a22001697a 4500003000600000005001700006008004100023020001800064040000900082082001800091100002400109245007200133260003100205300003100236500001800267650002600285GCWUF20210623230828.0210623b        xxu||||| |||| 00| 0 eng d  a9780697270832  cMAIN  24tha550bMON  aMontgomery, Carla W  aStudent study art notebook, Environmental geology, fourth edition /  aUSA:bWm. C. Brown,c1995.  avi, 63 p. :bill ;c27 cm.  aInclude Index  aEnvironmental geology