This picture shows a simple
blockhouse at Chattanooga, Tennessee (Source: Library of
Congress).
Breastworks were often built
from logs, dirt and anything else to provide basic
protection against enemy attacks. The name breastworks
comes from the fact that the fortifications are about
breast high (Source: Library of Congress).
Forts were built at more
strategic locations and more permanent troop locations.
This is a picture of Fort Lincoln in the District of
Columbia (Source: Library of Congress).
This pictures shows a
heavily fortified battery of Parrott guns at Fort Brady,
Virginia (Source: Library of Congress). This battery is
manned by the 1st Connecticut Heavy Artillery.
