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The company will perform additional drilling to better determine where the minerals are, Mr. Hachey said.

PUERTO RICO

$3 million worth of pot seized from suspicious boat

SAN JUAN — Authorities in Puerto Rico said they have seized 3,500 pounds of marijuana worth $3 million.

The U.S. Coast Guard said Friday that the drugs were seized late Tuesday in waters south of the U.S. territory after crews spotted a suspicious boat and investigated.

Officials said three suspects have been arrested.

• From wire dispatches and staff reports