Categories Burlington Iowa Local News Technology West Burlington High school renovations reveal students’ chalkboard drawings frozen in time at Thanksgiving 1917 Post author By Falcon Post date June 8, 2015 Click here: Workers renovating an Oklahoma City high school last week were transported back nearly 100 years after uncovering chalkboards that have remained unchanged since Thanksgiving 1917. ← Obituaries this week → Walmart’s U.S. chief takes aim at theft