(10:57 a.m. EST) -- American Cruise Lines is building three more river boats to ply the Mississippi River system and Columbia and Snake Rivers. The boats will enter service between 2015 and 2017.

The first boat is already under construction in the line's Maryland shipyard, as is a new paddlewheeler, scheduled to launch spring 2015. Both will carry between 150 and 200 passengers, according to the line.

The line will begin construction on a second paddlewheeler later this year or next.

The boat currently under construction will operate solely along the Columbia and Snake rivers from the Pacific Coast to the Idaho border. Decor will be Pacific Northwest in style with historic accents and artwork that highlights the Lewis and Clark expedition and the Native American tribes who helped them. Every cabin will have private balconies and panoramic views. The boat will be the first new river boat on the Columbia and Snake Rivers in 10 years.

--by Dori Saltzman, News Editor