Although a mile wide in some places, this principal river of Nebraska is too shallow to be navigable
This state capital is known for a variety of oysters found primarily in Puget Sound
This river's delta covers more than 12,000 square miles in Louisiana
Over its 2,340-mile course, this river forms the boundary or part of the boundary of 9 states
Colorado's Mount Elbert in the Sawatch range is this mountain system's tallest peak
It's the largest body of fresh water lying entirely within the USA
Francisco de Ortega is credited with discovering this strait leading into San Francisco Bay
This 113-mile sand bar along Texas' Gulf Coast is the state's largest island
California's highest peak, it was named for the geologist who was chief of the expedition that found it in 1864
Virginia's Rappahannock River flows into this bay