Study of Rocks

Brush and wash over graphite

Brown ink and brown wash on cream antique laid paper

Brown ink and brown wash

Graphite on cream wove paper

Brown ink and gray wash over graphite on off-white paper

Ink and wash

Brown ink and gray wash, graphite, and red-brown chalk on off-white antique laid paper

Graphite and brown wash on antique laid paper

Colored chalk

Brown ink and watercolor on white paper

Black and brown ink, gray wash, black chalk, and white gouache on cream antique laid paper