Collection includes a photocopy and transcript of a letter written by Peirce in Salt Lake City, Utah to his relatives in Chester and Delaware Counties, Pennsylvania. In the letter, Peirce reflects on the pioneer travels of 1847, including the death of his daughter in Winter Quarters, loss of livestock during journey, and his new home in Utah. He pleads with his family to pray about The Church of Jesus Christ of Latter-day Saints. In a post script note, he organizes some financial matters. The typescript adds a brief biography and notes about the letter, including footnotes for all names and families mentioned. Letter is dated August 31, 1848.