Idaho Code § 31-130
Kootenai county is described as follows: beginning at the south quarter of section fifteen (15), township forty-seven (47) north, range one (1) east, being the southeast corner of Kootenai county with Shoshone county to the east and south;
Southern boundary. Thence west along the north boundary line of sections twenty-two (22) approximately 1 half mile to the northwest corner of section twenty-two (22), township forty-seven (47) north, range one (1) east, being the northeast corner of Benewah county with Kootenai county to the north and Shoshone county to the east; thence west along the north boundary line of sections twenty-one (21), twenty (20) and nineteen (19), township forty-seven (47) north, range one (1) east, to the point of intersection with the Boise meridian; thence along said Boise meridian, to the northeast corner of section twenty-four (24), township forty-seven (47) north, range one (1) west; thence west along the north boundary line of sections twenty-four (24), twenty-three (23), twenty-two (22), twenty-one (21), twenty (20) and nineteen (19), township forty-seven (47) north, range one (1) west, to the range line between township forty-seven (47) north, range one (1) west, and township forty-seven (47) north, range two (2) west; thence along said last mentioned range line to the northeast corner of section twenty-four (24), township forty-seven (47) north, range two (2) west; thence continuing west along the north boundary lines of sections twenty-four (24), twenty-three (23), twenty-two (22), to the northwest corner of section twenty-two (22), township forty-seven (47) north, range two (2) west; thence south along the west line of section twenty-two (22), township forty-seven (47) north, range two (2) west, to the northwest corner of section twenty-seven (27), township forty-seven (47) north, range two (2) west; thence west along the north line of sections twenty-eight (28) and twenty-nine (29), township forty-seven (47) north, range two (2) west, to the northwest corner of section twenty-nine (29), township forty-seven (47) north, range two (2) west; thence south along the west line of sections twenty-nine (29) and thirty-two (32), township forty-seven (47) north, range two (2) west, to the southwest corner of section thirty-two (32), township forty-seven (47) north, range two (2) west; thence west along the township line between townships forty-six (46) and forty-seven (47) north, range two (2) west, to the intersection of the range line between ranges two (2) and three (3) west; thence continuing west along the township line between townships forty-six (46) and forty-seven (47) north, range three (3) west, to the southwest corner of section thirty-three (33), township forty-seven (47) north, range three (3) west; thence north along the west line of section thirty-three (33), township forty-seven (47) north, range three (3) west, to the northwest corner of section thirty-three (33), township forty-seven (47) north, range three (3) west; thence west along the north line of sections thirty-two (32) and thirty-one (31), township forty-seven (47) north, range three (3) west, to the range line between ranges three (3) and four (4) west; thence south along said range line to the northeast corner of section thirty-six (36), township forty-seven (47) north, range four (4) west; thence west along the north line of section thirty-six (36) and thirty-five (35), township forty-seven (47) north, range four (4) west, to the northwest corner of section thirty-five (35), township forty-seven (47) north, range four (4) west; thence south along the west line of said section thirty-five (35), township forty-seven (47) north, range four (4) west, to the southwest corner of said section thirty-five (35), township forty-seven (47) north, range four (4) west; thence west along the north line of township forty-six (46) north, ranges four (4), five (5) and six (6) west (1915, ch. 4, section 3, pp. 7, 8), to the point of intersection of the Idaho-Washington state line with the northern boundary line of township forty-six (46) north of the Boise base line;
Western boundary. Thence north along said state boundary line to a point where the same is intersected by the line between townships fifty-three (53) and fifty-four (54) north;
Northern boundary. Thence east along said township line between townships fifty-three (53) and fifty-four (54) north, to the northeast corner of township fifty-three (53) north, range three (3) west; thence north on the range line between sections thirty-six (36) and thirty-one (31), to the northeast corner of section thirty-six (36), township fifty-four (54) north, range three (3) west; thence east six (6) miles, to the northeast corner of section thirty-six (36), township fifty-four (54) north, range two (2) west; thence south along the range line between ranges one (1) and two (2) west, to the southwest corner of township fifty-three (53) north, range one (1) west; thence east on the township line between townships fifty-two (52) and fifty-three (53) north, to the northeast corner of section four (4), township fifty-two (52), range one (1) east, being the northeast corner of Kootenai county with Bonner county to the north and Shoshone county to the east;
Eastern boundary. Thence south along the western boundary of Shoshone county, to the south quarter corner of section fifteen (15), township forty-seven (47) north, range one (1) east, and the point of beginning.
County seat-Coeur d'Alene.
Idaho Code § 31-130