2 Chronicles 26:6

6He went out and amade war against the Philistines and broke through the wall of Gath and the wall of Jabneh and the wall of Ashdod, and he built cities in the territory of Ashdod and elsewhere among the Philistines.

2 Chronicles 26:9-10

9Moreover, Uzziah built towers in Jerusalem at bthe Corner Gate and at cthe Valley Gate and at dthe Angle, and fortified them. 10And he built towers in the wilderness and ecut out many cisterns, for he had large herds, both in the Shephelah and in the plain, and he had farmers and vinedressers in the hills and in the fertile lands, for he loved the soil.
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