Conservation design type (#2377)

(See all uses as list)

Zambia 6/30/1972 4n issue=Conservation Year b d=soil

Zambia 6/30/1972 10n issue=Conservation Year b d=forest (1972)

Zambia 6/30/1972 15n issue=Conservation Year b d=water

Zambia 6/30/1972 25n issue=Conservation Year b d=woman in corn field

Canada 6/1/1988 37c d=duck & cattails perf=13x13.25

Canada 6/1/1988 37c d=moose in lake perf=13x13.25

conservation design type