The cable that caused an explosion at a crowded Rhode Island beach last summer, injuring a woman, may have counterparts lying under beaches, harbors and waterways at 48 sites in 12 states, according to a list the Coast Guard provided to The Associated Press in response to a records request. A list of the Coast Guard lights — lighthouses, buoys and other beacons — once powered by the buried cables:

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MICHIGAN (21 sites)

— Harbor Beach Light 2

— Round Island Passage Light

— De Tour Reef Light

— West Neebish Channel (Downbound) Light 32

— West Neebish Channel (Downbound) Light 30

— Little Rapids Cut Light 96

— Little Rapids Cut Light 98

— Brush Point Range Front Light

— Grand Marais Harbor Of Refuge Outer Light

— Marquette Breakwater Outer Light

— Marquette Breakwater Inner Light

— Keweenaw Waterway Lower Entrance Light

— Portage Lake North Pierhead Light

— Manistee North Pierhead Light

— Ludington North Pierhead Light

— Pentwater North Pierhead Light 3

— Muskegon South Pierhead Light

— Muskegon Lake Light

— Holland Harbor North Pierhead Light

— St. Joseph North Pierhead Light

— St. Joseph North Pier Inner Light

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WISCONSIN (8)

— Bayfield Harbor South Breakwater Light

— Superior Entry South Breakwater Light

— Kenosha Light

— Milwaukee Breakwater Light

— Milwaukee Pierhead Light

— Sheboygan North Pierhead Light

— Manitowoc Breakwater Light

— Two Rivers North Pierhead Light

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ILLINOIS (5)

— Calumet Park 101st Street Pier Light

— Chicago Harbor Light

— Chicago Harbor Entrance South Side Light

— Chicago Harbor Southeast Guide Wall Light

— Waukegan Harbor Light

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INDIANA (3):

— Michigan City East Pierhead Light

— Indiana Harbor East Breakwater Light

— Indiana Harbor Light 5

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OHIO (3)

— Lorain Harbor Light

— Huron Harbor Light

— Sandusky Harbor Breakwater Light

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MINNESOTA (2)

— Two Harbors East Breakwater Light

— Grand Marais Light

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DELAWARE

— Bulkhead Bar Range Front Light

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NEW JERSEY

— Florence Upper Range Front Light

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NEW YORK

— Sodus Outer Light

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PENNSYLVANIA Enterprise Lower Range Front Light

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RHODE ISLAND

— Point Judith Harbor of Refuge West Entrance Light 3

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VIRGINIA

— Smith Point Light