Both rock and gravel are excellent materials for garden pathways because they're affordable and facilitate rain and sprinkler ...

Dark red pools of meltwater from acid rock drainage on Pastoruri peak in the Cordillera Blanca, a Peruvian mountain range containing the world’s largest concentration of tropical glaciers.

improve drainage, and reduce weed growth, providing a durable landscape. Make sure your base layer is compacted well, and use ...

Throughout the Arkansas River Valley sagging mine shafts offer a glimpse into a bygone era of mining, but these sites are far ...

Percolation - The downward movement of water from the soil into the rock beneath. Drainage basin - the area of land drained by a river. Channel - the bed and banks that form the route of the river.