author - "William Harmon Norton"
neralogical andpaleontological nature, and by confining the field of view almostwholly to our own continent, space has been obtained to give towhat are deemed for beginners the essentials of the science afuller treatment than perhaps is common.
It is assumed that field work will be introduced with thecommencement of the study. The common rocks are therefore brieflydescribed in the opening chapters. The drift also receives earlymention, and teachers in the northern states who begin geology inthe fall may prefer to take up the chapter on the Pleistoceneimmediately after the chapter on glaciers.
Simple diagrams have been used freely, not only because they areoften clearer than any verbal statement, but also because theyreadily lend themselves to reproduction on the blackboard by thepupil. The text will suggest others which the pupil may invent. Itis hoped that the photographic views may also be used forexercises in the class room.
The generous aid of many friends is recognized with special
neralogical andpaleontological nature, and by confining the field of view almostwholly to our own continent, space has been obtained to give towhat are deemed for beginners the essentials of the science afuller treatment than perhaps is common.
It is assumed that field work will be introduced with thecommencement of the study. The common rocks are therefore brieflydescribed in the opening chapters. The drift also receives earlymention, and teachers in the northern states who begin geology inthe fall may prefer to take up the chapter on the Pleistoceneimmediately after the chapter on glaciers.
Simple diagrams have been used freely, not only because they areoften clearer than any verbal statement, but also because theyreadily lend themselves to reproduction on the blackboard by thepupil. The text will suggest others which the pupil may invent. Itis hoped that the photographic views may also be used forexercises in the class room.
The generous aid of many friends is recognized with special