Many thanks to cousin Emily who sent an image of Mary Isabell Pettit and Henry Green's marriage certificate.
The certificate says:
Cut this off and Give to Parties Married.
Territory of Utah,
County of Cache.
This Certifies that
Henry Green of Salt Lake City in the Territory of Utah, and
Mary Isabella Pettit of Salt Lake City in the Territory of Utah, were
by me joined together in Holy Matrimony according to Law and
the rites of the Church of Jesus Christ of Latter-Day Saints. at Logan
in said County, on the 9th day of December, in the year of Our Lord
One Thousand Eight Hundred and ninety-one.
In the presence of
John E Roueche
M. W. Merrill
Elder of the Church of Jesus Christ of Latter-Day Saints.
The witnesses, John Edward Roueche (1861-1928) and Eli Bell (1834-1895), were both from Logan. Marriner W. Merrill (1832-1906) was a member of the Quorum of the Twelve Apostles and the President of the Logan Temple.
John E. Roueche. Picture from Ancestry.com.
Marriner W. Merrill. Picture from Wikipedia.