Garmin BlueChart g3 HD - HXUS604x - US All Canadian West - microSD/SD [010-C1018-20]BlueChart g3 HD HXUS604x US All & Canadian West microSD SD Coverage Provides detailed coastal coverage of the U. S., including the East Coast from Key West, FL, to the Canadian border, and the West Coast from Puget Sound to the Mexican border; Alaska; Hawaii and major inland rivers; the U. S. Gulf Coast to the Mexican border and the Mexican Gulf Coast to the Yucatan. Canadian coverage includes the entire St. Lawrence Seaway, Nova Scotia and New