starting in 1910, electric trolleys started providing service throughout lawrence and the ku campus. in the same year, marvin hall was dedicated as the school of engineering. haworth hall was dedicated for the departments of geology and mineralogy. one year later, a commencement ceremony was held. this marked the completion of potter lake. on february 8, 1912, a group of ku women organized the women's athletic association. it was the first group of its kind in the school's history. william b. thayer and his wife donated their personal art collection to ku, valued at $150,000.