Answer: hooverdam

AnswerCrossword Clue
HOOVERDAMStructure on the Arizona-Nevada border
HOOVERDAM1935 FDR dedication
HOOVERDAMLandmark of Black Canyon.
HOOVERDAMBlack Canyon structure.
HOOVERDAMStructure of 1936.
HOOVERDAMSight near Las Vegas.
HOOVERDAMCreator of Lake Mead
HOOVERDAMConstruction on the Colorado River
HOOVERDAMLake Mead structure
HOOVERDAMLake Mead construction