Strata Series I, 1978
Copper, linen, mixed media
13 ½ x 12 x 1 ½ in.

Strata Series II, 1978
Copper, linen, mixed media
14 x 12 x 1 ½ in.

Strata Series III, 1978
Linen, copper, woven fabric, plaiting
15 ¼ x 12 ¾ x 2 ¼ in.