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| Mt. Diablo Summit Fire Interpretive Trail Sketch Hike Watercolor (9x12) Pierson Graphics 2002 |
| Paintings by Bill Pierson - 2002 |
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| View of North side of Mt. Diablo Acrylic (16x20) Pierson Graphics 2002 |
| Kirker Pass Acrylic (16x20) Pierson Graphics 2002 |
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| Mitchell Canyon Summer Watercolor (7 1/4x9 1/2) Pierson Graphics 2002 |
| Mitchell Canyon Trail Acrylic (16x20) Pierson Graphics 2002 |
| Mt. Diablo Sketch Nature Paintings Pierson Graphics |
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