Thomas Moran (1837-1926), The Rock of Acoma, New Mexico, 1902, watercolor on paper, 14 x 20. Estimate: $400,000-$600,000 ← Previous Next → Thomas Moran (1837-1926), The Rock of Acoma, New Mexico, 1902, watercolor on paper, 14 x 20. Estimate: $400,000-$600,000 Thomas Moran (1837-1926), The Rock of Acoma, New Mexico, 1902, watercolor on paper, 14 x 20. Estimate: $400,000-$600,000