During his first campaign for the Illinois General Assembly in 1832, he made navigational improvements on the river a centerpiece of his platform.

He returned to the field in 1889 to assist Colonel John W. Barlow with navigational improvements on the Cumberland and Tennessee rivers.

Environmentalists worldwide fight vigorously against navigational improvements to rivers and hydro-electrical power.

Cyrus and his brother Benjamin were responsible for surveying the Merrimack River in 1818 for the purpose of making navigational improvements.

Robert E. Lee to make navigational improvements on the Mississippi River.

He advocated navigational improvements on the Sangamon River.

It was named for the president of the Lakes Carriers Association who advocated safety and navigational improvements in Great Lakes shipping.

Along with Cyrus Baldwin, Benjamin was also responsible for surveying the Merrimack River in 1818 for the purpose of making navigational improvements.

The port was modernized in 1953, with further-enhanced navigational improvements in 1975 and 1980.

Most of the first line of blockhouses on the banks of the river were destroyed when the river was widened as part of navigational improvements in the 1970s.