In determining the errors of the screw of the Potsdam form FIG.
Thus he demonstrated that the forms of the land exercise a directive and determining influence on climate, plant life, animal life and on man himself.
The geological structure and the mineral composition of the rocks are often the chief causes determining the character of the land forms of a region.
Logical, political and commercial development of the subject runs the determining control exercised by crust forms acting directly or indirectly on mobile distributions; and this is the essential principle of geography.
The commercial importance of such free interchange of traffic is the controlling factor in determining the gauge of any new railway that is not isolated by its geographical position.