Fortifications built by the United States of America






U.S.A.
ALABAMA, ALASKA, ARIZONA, ARKANSAS, CALIFORNIA, COLORADO, CONNECTICUT, DELAWARE, FLORIDA, GEORGIA, HAWAII, IDAHO, ILLINOIS, INDIANA, IOWA, KANSAS, KENTUCKY, LOUISIANA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSISSIPPI, MISSOURI, MONTANA, NEBRASKA, NEVADA, NEW HAMPSHIRE, NEW JERSEY, NEW MEXICO, NEW YORK, NORTH CAROLINA, NORTH DAKOTA, OHIO, OKLAHOMA, OREGON, PENNSYLVANIA, RHODE ISLAND, SOUTH CAROLINA, SOUTH DAKOTA, TENNESSEE, TEXAS, UTAH, VERMONT, VIRGINIA, WASHINGTON, WASHINGTON D.C., WEST VIRGINIA, WISCONSIN, WYOMING



CANADA

ALBERTA, BRITISH COLUMBIA, NEWFOUNDLAND



Other places in the World CORREGIDOR (Philippines), PANAMA CANAL ZONE, PHILIPPINES, PUEBLA (Mexico), PUERTO RICO, SAMOA ISLANDS, VIRGIN ISLANDS