CREATE TABLE table_name_30 (in_state_area VARCHAR(255), outlet VARCHAR(255), _percentage_in_state VARCHAR(255))
With an outlet of Colorado River and a % instate of a038 84.8% what is in-state area?
    
SQL: SELECT in_state_area FROM table_name_30 WHERE outlet = "colorado river" AND _percentage_in_state = "a038 84.8%"