Added areas 3409-17, projCRS 3153-60. For area 2784, added British Columbia, Manitoba, Newfoundland & Labrador and Ontario to area of use, amended geog bounding box coordinates. For areas 1448-49 and 1506-08, amended area name, area of use and geog bounding box. For geogCRS 4617 added remarks regarding longitude axis. For projCRS 2958, changed area code from 1448 to 3416. For projCRS 2959, changed area code from 1449 to 3417. For projCRSs 2955-59 added info source URL. For projCRSs 2960-61changed info source. For projCRS 2962, changed area code from 1446 to 2151 and changed info source. For projCRS 3005, added remarks.