From the Lawrence Daily Journal-World for Sept. 12, 1986:

Members of the Lawrence Jayhawk Squadron of the Civil Air Patrol had recently lent their combined efforts to the refurbishing of an identification marker at the Lawrence Municipal Airport. On the ground just west of the new terminal building, large white-painted letters spelled out the word LAWRENCE. The letters, which dated to the 1930s and had not been cleaned up since the early 1970s, were about 15 to 20 feet high, making the city’s name about 70 yards long. About 15 local youths and about 10 senior members had participated in the project, clearing out the overgrown weeds obscuring the letters and freshening them up with city-purchased white paint.