Oscar E. Berninghaus, Indian Turning the Soil, oil, 16 x 20. Estimate: $50,000-$75,000. ← Previous Next → Oscar E. Berninghaus, Indian Turning the Soil, oil, 16 x 20. Estimate: $50,000-$75,000. Oscar E. Berninghaus, Indian Turning the Soil, oil, 16 x 20. Estimate: $50,000-$75,000.