Fall of the Tritt in the Mühlethal Valley, Switzerland

Ink

Ink and watercolor on cream paper

Graphite, black crayon, and white chalk on light brown paper

Brown wash over black chalk on cream antique laid paper; verso: black chalk

Gray ink, gray wash, and graphite on off-white laid paper

Black ink and gray wash

Brown and black ink, brown wash over black chalk on off-white wove paper, laid down

Watercolor and graphite on off-white laid paper

Black and brown ink on cream wove paper

Black ink and gray wash

Black ink and white gouache