Ziel River, near Biel, Switzerland

Graphite and red and white chalk on tan wove paper

Charcoal on faded blue laid paper

Crayon on paper

Watercolor on beige wove paper

Graphite on off-white wove paper

Graphite on coated off-white wove paper

Black ink and graphite on tan wove paper; verso: black ink

Graphite and charcoal on paper

Black ink, graphite, and yellow chalk on thin buff wove paper

Black ink and charcoal on cream laid paper

Charcoal on off-white laid paper; verso: graphite

Graphite on off-white wove paper