Environment. Marine mammals still imperiled after sonar ruling.
Lester
Benjamin
B
D000818:Animals; D003247:Conservation of Natural Resources / Q000331:legislation & jurisprudence*; D008322:Mammals; D008891:Military Science / Q000331:legislation & jurisprudence*; D010140:Pacific Ocean; D012623:Seawater; D013016:Sound / Q000009:adverse effects*; D014481:United States; D014907:Whales