A biography of the versatile American known for his accomplishments as inventor, architect, musician, diplomat, scientific farmer, political philosopher, author of the Declaration of Independence, and President of the United States.
Describes the characteristics of lakes and ponds, water-filled basins surrounded by land, and explains how they are formed and how they can be destroyed by pollution or human interference.
Describes the difficulties encountered by settlers who traveled westward in covered wagons or prairie schooners along the Oregon Trail during the 1830's and 1840's.