A geotechnical investigation will contain surface exploration and subsurface exploration of a site. In some cases, geophysical methods are employed to acquire facts about sites. Subsurface exploration normally requires soil sampling and laboratory checks in the soil samples retrieved. Islam et al. (2020) Investigation of soil Attributes and nutrients in https://campingoutsidehiking29527.blogolize.com/an-unbiased-view-of-soil-investigation-experts-bangladesh-71375140