paper

Watercolor cat sewn on to paper

Charcoal and iron oxide recovered from acid mine runoff on watercolor paper

Charcoal and iron oxide recovered from acid mine runoff on watercolor paper

Charcoal and iron oxide recovered from acid mine runoff on watercolor paper

Graphite and iron oxide recovered from acid mine runoff on watercolor paper

Colored pencil on toned tan paper

Charcoal and iron oxide recovered from acid mine runoff on watercolor paper

Charcoal and iron oxide recovered from acid mine drainage on watercolor paper

Charcoal and iron oxide recovered from acid mine runoff recovery on watercolor paper

Mr. Happy Pants mixed media watercolor, gouache, and ink on paper.

Charcoal and iron oxide recovered from acid mine runoff on watercolor paper

Charcoal on toned paper

Charcoal, powdered charcoal, powdered graphite and iron oxide recovered from acid mine drainage on watercolor paper

Colored pencil on toned gray paper

Colored pencil on toned tan paper

Brush pen on paper.

Brush pen on paper.

Brush pen on paper.

Brush pen on paper.

Brush pen on paper.

Brush pen on paper.

Brush pen on paper.

Brush pen on paper.

Brush pen on paper.

Pilot brush pen on paper.

Black and white charcoal on toned gray paper

Graphite and iron oxide recovered from acid mind runoff on watercolor paper

Powdered graphite and iron oxide recovered from acid mine runoff on watercolor paper

Colored pencil on toned tan paper

Colored pencil on toned gray paper