Stirling Castle is situated on top of atop the Castle Hill in Stirling. It is one of the largest and most significant castles in Scotland. The site...
Landscape Gravel. 1  The average cost for crushed rock gravel or lava rock is $640 for 32 square feet of gravel. 2  The minimum cost that property owners pay for crushed rock gravel or lava rock is $140, which covers 7 square feet of gravel.
Landscape Boulders Cost. Based on national research, the average costs for landscape boulders are: Average Minimum Cost of Landscaping Boulders: $100 per ton. Average Maximum Cost of Landscaping Boulders: $600 per ton.