Only a few public facilities in Lamesa are closing Monday in honor of Juneteenth, the 158th anniversary of when Texas slaves learned they were finally free.The post office, and all banks and federal offices will be closed Monday in observance of the federal holiday.The Lamesa Area Chamber of Commerce office is closed Monday.The county courthouse, City Hall, the municipal landfill and the swimming pool are open Monday.Medical Arts Clinic and the South Plains Public Health District’s Lamesa Health District will be open on Juneteenth.Local grocery stores will be open Monday.Texas’ slaves didn’t learn of their freedom until well after the ...