In Frederick Stanley Haines' Mill at Wilberforce, viewers are transported to a rustic forest setting surrounding the titular mill. The painting captures the essence of rural life, showcasing a quaint barn or mill nestled among the trees, surrounded by piles of wood awaiting processing.

The centerpiece of the composition is the mill, a sturdy structure characterized by its weathered wood and traditional design. Smoke may be seen billowing gently from the chimney, suggesting activity within. Nearby, a horse stands tethered, perhaps waiting patiently for its next task or resting after a day's work.

The forest envelops the scene, with tall trees towering overhead and lush foliage blanketing the ground. Sunlight filters through the canopy, casting dappled shadows and illuminating patches of greenery. The colors of the forest are rich and vibrant, capturing the natural beauty of the wilderness. Piles of wood are scattered around the mill, awaiting processing or shipment. The artist's attention to detail brings these elements to life, with each log and stack carefully rendered to convey texture and dimension.

Overall, Mill at Wilberforce is a captivating portrayal of rural industry and the symbiotic relationship between human activity and the natural world. Haines' skillful depiction of the forest setting and the bustling activity of the mill invites viewers to immerse themselves in the timeless beauty of the Canadian countryside.