Marry me by sundown
(Book)

"Johanna Lindsey takes you on a captivating adventure in 1880s Montana where passions and gold fever run high as an American heiress turns to a rugged mountain man to help her locate her father's fortune"--,Provided by publisher.

"1880s. Returning to Philadelphia, Violet Mitchell never expected to find her brothers living on the edge of financial ruin while their father seeks new wealth in Montana's gold fields. Morgan Callahan, exploiting a mother lode of silver, finds a woman claiming to be his late partner's daughter wanting to be taken to her father's mine. Suspecting she's a schemer trying to steal his land, he has no qualms about holding her at his camp. Determined to claim what rightfully belongs to her family, Violet summons up the courage, grit, and spunk to cope with the hazards and discomforts of an untamed land and the stranger who holds her fate in his hands." --,(Source of summary not specified)