Submitted by khenkes on Mon, 02/24/2020 - 15:25
Pictures of 140 common trees, identifying their leaves, fruit, form, range, and uses.
Submitted by khenkes on Mon, 02/24/2020 - 15:25
A guide to approximately 200 of the most commonly viewed American wildflowers, with 134 color paintings. Flowers are grouped by color.
Submitted by khenkes on Mon, 02/24/2020 - 15:25
Describes the three types of lifting machines, the jobs they are designed to do, and the duties of the men who operate them.
Submitted by khenkes on Mon, 02/24/2020 - 15:25
Includes information on collecting and identifying minerals, and sections on metallic, nonmetallic, gem and rock-forming minerals, and on igneous, sedimentary and metamorphic rocks.
Submitted by khenkes on Tue, 02/11/2020 - 18:53
Includes information on collecting and identifying minerals, and sections on metallic, nonmetallic, gem and rock-forming minerals, and on igneous, sedimentary and metamorphic rocks.
Submitted by khenkes on Tue, 02/11/2020 - 18:53
Guide to familiar American birds, with pictures, habitat study, and geographical locations.
Submitted by khenkes on Tue, 02/11/2020 - 18:53
Submitted by khenkes on Tue, 02/11/2020 - 18:53
Sections on turtles, lizards, snakes, alligators and crocodiles, frogs and toads, and salamanders give information on description, habits and range for each species common in the United States.
Submitted by khenkes on Tue, 02/11/2020 - 18:53
Describes the research of scientists to determine the nature of ocean waves resulting from tides, earthquakes and volcanoes.
Submitted by khenkes on Tue, 02/11/2020 - 18:53
A guide to 458 species of animals and plants found along the seashore includes algae, flowering plants, worms,sponges, starfish, anthropods, shellfish, and birds.
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