Search Results for Colin, 1936- Walker SirsiDynix Enterprise https://library.epsb.ca/client/en_US/elm/elm/qu$003dColin$00252C$002b1936-$002bWalker$0026ic$003dtrue$0026ps$003d300? 2025-03-15T08:19:36Z Our changing atmosphere. ent://SD_ILS/0/SD_ILS:281270 2025-03-15T08:19:36Z 2025-03-15T08:19:36Z By&#160;Colin, 1936- Walker<br/>Format&#160;Books<br/>1992<br/>Series&#160;Science Understandings<br/>Call #&#160;363.73 WAL<br/> We need energy. ent://SD_ILS/0/SD_ILS:281250 2025-03-15T08:19:36Z 2025-03-15T08:19:36Z By&#160;Colin, 1936- Walker<br/>Format&#160;Books<br/>1992<br/>Series&#160;Science understandings<br/>Call #&#160;333.79 WAL<br/>