This is a Message Board Post that is gatewayed to this mailing list. Classification: Query Message Board URL: http://boards.ancestry.com/mbexec/msg/an/zU.2ADE/56.65.1.1 Message Board Post: According to my information, Henry Holland was murdered by Joaquin Rascon in July of 1891 placing Salero in Pima County at that time. In 1863 Arizona Territory was separated from the Territory of New Mexico. Pima County was among the original four counties established by the First Territorial Arizona Legislature on November 8, 1864. On March 15, 1899 Santa Cruz County was created from parts of Pima and Cochise counties.