Slide 1 Aggregates, Cement and Concrete MSE 220 Spring, 2009 Slide 2 Rocks come in three types: Igneous – “fire rock” from lava, e.g., granite or obsidian Sedimentary…
Slide 1 1 Some people working in the field (such as Stocking (1985)) have stated that the only long term solution to soil erosion is vegetative protection & fertility…
Aggregates, Cement and Concrete MSE 220 Spring, 2009 Rocks come in three types: Igneous â âfire rockâ from lava, e.g., granite or obsidian Sedimentary â compacted sediment,…