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.
1 The maximum cost for crushed rock gravel or lava rock is approximately $1,150 for 70 square feet of gravel. 2  The average cost for 32 square feet of pea gravel or river rock is $700. 3  The minimum cost that property owners pay for pea gravel or river rock is $175, which covers about 7 square feet.