C. F. Keil and Franz Delitzsch on Joshua 22:19

Jos 22:19

“And truly,” the speaker continued, “if the land of your possession should be unclean,” sc., so that you think it necessary to have an altar in the neighbourhood to expiate your sins and wipe away your uncleanness, “pass over into the land of Jehovah’s possession, where His dwelling-place stands, and settle in the midst of us ('settle,' as in Gen 34:10); but do not rebel against Jehovah nor against us, by building an altar beside the (one) altar of Jehovah our God.” מרד is construed first of all with בּ, and then with the accusative; the only other place in which the latter occurs is Job. Jos 24:13.