1. THOUGHTS ABOUT: the difficulty in extracting iron from Dutch sand and other things for Alice Hutchins Artist: Bloom, Barbara Classification: Ephemera Materials: Mail art. 8 ruled index cards and plastic bag of sand (2 of the cards taped together to make an envelope); handwritten in pencil on cards. Dimensions: 4 1/4 x 7 3/4 each card in. Accession Number: 1994.5.123.a-i