This collection is primarily correspondence written by Nehemiah Blackstock, of Ventura, to Spencer Roane Thorpe between 1883-1886. Between 1883 and 1886, Thorpe primarily lived in San Francisco, California, permanently moving to Ventura for a short time in 1886. Correspondence mainly covers matters related to real estate purchases and management of agricultural land. Some financial and legal records from approximately 1878-1886 are also included.