1974 Preserve The Environment Single 10c Postage Stamp - CW204a -Sc#1527
1995 Earth Day Block of 4 32c Postage Stamps - MNH, OG - Sc# 2954
1985 Folk Art Duck Decoy Plate Block Of 4 22c Postage Stamps Sc 2138-2141 - CW214
1984 Smokey Bear Plate Block of 4 20c Postage Stamps - MNH, OG - Sc# 2096
1983 Tennessee Valley Authority Block of 4 20c Postage Stamps - MNH, OG - Sc# 2042
1981 Rachel Carson Plate Block Of 4 17c Postage Stamps - Sc# 1857 - MNH - CX807a
1974 Preserve The Environment Block Of 4 10c Postage Stamps - Sc# 1527 - CW204
1971 Historic Preservation Plate Block Of 4 8c Postage Stamps - MNH, OG - Sc# 1440-1443 - CX313
1966 Johnny Appleseed Plate Block Of 4 5c Postage Stamps - MNH, OG - Sc# 1317 - CX459
1966 Great River Road Plate Block Of 4 5c Postage Stamps - MNH, OG - Sc# 1319`- CX238
1960 Water Conservation Plate Block of 4 4c Postage Stamps - Sc# -1150 - MNH, OG - CX671
1990 Lighthouses Booklet Pane Of 5 25c Postage Stamps - MNH, OG - Sc# 2470-2474 - CX411
1995 Lighthouse Booklet Pane Of 5 32c Postage Stamps - Sc# 2969-2973 - MNH, OG - CX661
2002 Pacific Lighthouses Strip Of 5 41c Postage Stamps - MNH - Sc# 4146-4150 - DR141
1988 - Grosbeak Bird & Owl Booklet Pane Of 10 25c Postage Stamps Sc# 2284-2285, BK160 - MNH - CX829a
1990 Sea Creatures Plate Block Of 4 25c Postage Stamps - Sc# 2508-2511 - MNH, OG - CW274a
1987 Pheasant Booklet Pane Of 10 25c Postage Stamps - Sc# 2283, BK158 - MNH, OG - CX832
1992 Minerals Plate Block of 4 29c Postage Stamps - MNH, OG - Sc# 2700-2703
1978 Wildlife Conservation Owls Plate Block Of 4 15c Postage Stamps - MNH, OG - Sc# 1760-1763 - CX315
1968 Arkansas River Navigation Plate Block Of 4 6c Postage Stamps - MNH, OG - Sc# 1358 - CX347
1972 National Parks Centennial Plate Block of 4 15c Postage Stamps - MNH, OG - Sc# 1454 - BC45a
1974 Conservation Plate Block Of 4 10c Postage Stamps - MNH, OG - Sc# 1547 - CX326
1974 Mineral Heritage Plate Block Of 4 10c Postage Stamps - Sc# 1538-1541 - MNH, OG - CX478
1972 - National Parks Centennial Plate Block Of 4 6c Postage Stamps - Sc# 1452 - MNH, OG - CX520
