4 books
Die Quartärbildungen Der Umgegend Von Magdeburg, Mit Besonderer Berücksichtigung Der Börde (Classic Reprint)
A Guide to the Scientific Examination of Soils; Comprising Select Methods of Mechanical and Chemical Analysis and Physical Investigation
A Guide to the Scientific Examination of Soils ... Translated ... with Additions by W. T. Brannt ... Illustrated, Etc.
A Guide to the Scientific Examination of Soils