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Category

Landmarks / Laboratories

Alabama 6
Alaska 2
Arizona 16
Arkansas 2
California 101
Colorado 23
Connecticut 12
DC 2
Delaware 13
Florida 36
Georgia 15
Hawaii 3
Idaho 6
Illinois 35
Indiana 3
Iowa 10
Kansas 4
Kentucky 3
Louisiana 9
Maine 8
Maryland 20
Massachusetts 54
Michigan 16
Minnesota 18
Mississippi 2
Missouri 5
Montana 10
Nebraska 13
Nevada 3
New Hampshire 13
New Jersey 30
New Mexico 17
New York 69
North Carolina 22
North Dakota 3
Ohio 15
Oklahoma 12
Oregon 20
Pennsylvania 35
Rhode Island 8
South Carolina 7
South Dakota 2
Tennessee 5
Texas 39
Utah 13
Vermont 1
Virginia 13
Washington 26
Wisconsin 7