The excavation or water substitute process is useful for soils which have been as well free to collect an intact Main or clod, or for soils made up of gravel. Both the intact clod and excavation techniques are explained intimately by Cresswell and Hamilton (2002). In this particular segment, the https://true-leadership66555.blogsumer.com/32564960/the-ultimate-guide-to-soil-testing-and-investigation-bd