The growth of the Sevier Mountains and the Western Interior Seaway caused dinosaur habitat to shrink on Laramidia.

MSN: Dinosaur boom linked to rise of Rocky Mountains

McMillan, of Minnesota, to be a Member of the Advisory Board of the Saint Lawrence Seaway Development Corporation, vice Scott Kevin Walker.

WHITEHOUSE: Presidential Nominations Sent to the Senate

Wenona Singel, of Michigan, to be a Member of the Advisory Board of the Saint Lawrence Seaway Development Corporation, vice Jack Edwin McGregor.

WHITEHOUSE: Presidential Nominations Sent to the Senate

New species of duck-billed and horned dinosaurs were being born at an explosive rate of every few hundred thousand years during the brief time when the two mountain ranges and the seaway coexisted.

MSN: Dinosaur boom linked to rise of Rocky Mountains

Sponsored by the nonprofit Seaway Trail Inc.

WSJ: Aliens, Dinosaurs and Colonial History: Geotours Across North America Draw the Cache-Mad

On Wednesday, March 24th, Secretary Duncan will meet with students and parents that stand to benefit from the American Opportunity Credit for college expenses at Northern Virginia Community College in Annandale, VA. Secretary Chu will visit Seaway Manufacturing Corporation, a manufacturer of energy efficient home improvement products that qualify for the Recovery Act tax credits, in Erie, PA on Friday, March 26th.

WHITEHOUSE: Recovery Act Tax Benefits