Adrian D. Clem: Capturing the Majesty of American Construction Adrian D. Clem (1906-1977) was a remarkably observant and prolific American artist, best known for his evocative depictions of the construction of the Hoover Dam in Nevada’s Black Canyon. While often overshadowed by more celebrated figures of the era, Clem's work offers a unique and compelling visual record of a pivotal moment in American engineering and landscape transfor…