• It appears that Walter was rebaptized in Salt Lake City on 8 August 1847.  The Salt Lake Stake Record of Members shows his parents and siblings being baptized that same day.  However, Walter's name is recorded as "Walter Hamilton," not "Walter Hamilton Crow" in the original record.  

Mississippi Company (1846)

• Age at Departure: 19

Sources

• Find a Grave (Website)
• Pioneering the West, 1846 to 1878: Major Howard Egan's Diary, edited and compiled by William M. Egan (1917), 21-105.
• Salt Lake Stake, Record of members collection, 1836-1970.
• "Walter Hamilton Crow," Deseret Evening News, 26 May 1906, 2:7.