1910 Census microfilms at Internet Archive

Reel 1602. Beaver, Box Elder, and Cache Counties.
Reel 1603. Carbon, Davis, Emery, Garfield, Grand, and Iron Counties.
Reel 1604. Juab, Kane, Millard, Morgan, Piute, Rich, San Juan, and Salt Lake (ED's 75-80) Counties.
Reel 1605. Salt Lake (ED's 81-99, 240) County.
Reel 1606. Salt Lake (ED's 100-122, 239, 241, 243) County.
Reel 1607. Salt Lake (ED's 123-145) County.
Reel 1608. Sampete, Scvier, and Summit Counties.
Reel 1609. Tooele, Uintah, and Utah (ED's 183-191) Counties.
Reel 1610. Utah (ED's 192-201), Wasatch, Washington, and Wayne Counties.
Reel 1611. Weber County.