And Uzziah built towers in Jerusalem at the Corner Gate, at the Valley Gate, and at the corner buttress of the wall; then he fortified them.
2 Chronicles 26:9
Surrounding context
26:8 Also the Ammonites brought tribute to Uzziah. His fame spread as far as the entrance of Egypt, for he became exceedingly strong.
26:9 And Uzziah built towers in Jerusalem at the Corner Gate, at the Valley Gate, and at the corner buttress of the wall; then he fortified them.
26:10 Also he built towers in the desert. He dug many wells, for he had much livestock, both in the lowlands and in the plains; he also had farmers and vinedressers in the mountains and in Carmel, for he loved the soil.