1 Kings 5:14 in the King James Version
And he sent them to Lebanon, ten thousand a month by courses: a month they were in Lebanon, and two months at home: and Adoniram was over the levy.
Context
13 King Solomon raised a levy out of all Israel; and the levy was thirty thousand men.
14 He sent them to Lebanon, ten thousand a month by courses: for a month they were in Lebanon, and two months at home; and Adoniram was over the men subject to forced labor.
15 Solomon had seventy thousand who bore burdens, and eighty thousand who were stone cutters in the mountains,