EVA MARCH TAPPAN, Ph .D.
PREFACE
CONTENTS
LIST OF ILLUSTRATIONS
DIGGERS IN THE EARTH I IN A COAL MINE
II DOWN IN THE QUARRIES
III HOUSES OF SAND
IV BRICKS, THEIR FAULTS AND THEIR VIRTUES
V AT THE GOLD DIGGINGS
VI THE STORY OF A SILVER MINE
VII IRON, THE EVERYDAY METAL
VIII OUR GOOD FRIEND COPPER
IX THE NEW METAL, ALUMINUM
X THE OIL IN OUR LAMPS
XI LITTLE GRAINS OF SALT
FIRST YEAR IN NUMBER
THE EVERYDAY ARITHMETICS
THE RIVERSIDE READERS
