The acronym LDA is used by industry professionals in multiple applications. In some cases, LDA is used to refer to the practice of performing discrete excavations using an auger, possibly referred to as LDA excavation. In other cases, the term LDA is used to broadly describe soil mixing performed with large augers, possibly referred to as LDA soil mixing. Finally, the acronym can be used to refer to steam treatment performed with augers, possibly referred to as LDA treatment.