D. Geography gives application to nature study in upper grades, summarizes distribution of animals and plants, and gives regional basis to nature study.
E. Nature study contributes to geography knowledge of plants and animals and their ecological relations, physics and chemistry of soils, water, etc., as related to agriculture, grazing, and lumbering.
F. Topics of doubtful value in nature study or elementary geography.
a. Formation of coal, marble, and rocks, and similar topics.
b. Minerals, except in localities where minerals may be found.
c. Earth’s motions and similar large topics which cannot be studied through observation.
3. Geography in its Relation to History.
A. Geography finds its best applications in history.
B. Geographic influences vs. geographic controls in history.
C. Geography deals with the relation between physical environment and life in all its phases. History deals with the interpretation of human movements.