Studies of Rocks

Black and white chalk on blue-gray wove paper

Charcoal and white chalk on heavy buff wove paper

Charcoal on cream laid paper

Graphite on buff wove paper

Graphite and black and blue watercolor on off-white wove graph paper

Graphite on blue laid paper

Charcoal on off-white wove paper

Pastel on brown wove paper

Watercolor over graphite on off-white wove paper

Charcoal on paper

Graphite on paper

Graphite on off-white wove paper