| http://www.w3.org/ns/prov#value | - Available data on vessel activities indicates that private and commercial whale watch vessels are most often in close proximity to the whales, and that other vessels such as government vessels, commercial and tribal fishing boats, cargo ships, tankers, tug boats, and ferries represent a small proportion (typically 5-7 percent in most years) of the vessels that are within one-quarter mile of the wh
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