Idaho Code § 31-142
Shoshone county is described as follows: beginning at a point where the township line between townships forty-one (41) and forty-two (42) north, intersects the western boundary of the state of Montana;
Eastern boundary. Thence in a northerly direction along the said boundary and with the Bitterroot range of mountains until the said range turns in a westerly direction and is called Coeur d'Alene.
Northern boundary. Thence with the said Coeur d'Alene range of mountains in a westerly direction until a point is attained on the west line of section twenty-two (22), township fifty-four (54) north, range one (1) east, being the northwest corner of Shoshone county with Bonner county to the north and west;
Western boundary. Thence south along the section lines, approximately 2 and 3 quarter miles to the southwest corner of section thirty-four (34), township fifty-four (54) north, range one (1) east;
Thence west along the township line, approximately 0.64 chains (42 feet) to the northwest corner of section three (3), township fifty-three (53) north, range one (1) east;
Thence south along the section lines, approximately 2 miles to the southwest corner of section ten (10), township fifty-three (53) north, range one (1) east;
Thence east along the section line, approximately 1 half mile to the south quarter corner of section ten (10), township fifty-three (53) north, range one (1) east;
Thence south along the midsection lines, approximately 4 miles to the south quarter corner of section thirty-four (34), township fifty-three (53) north, range one (1) east, being the southeast corner of Bonner county with Shoshone county to the south and east;
Thence west along the township line, approximately 32.24 chains (2,128 feet) to the northwest corner of section three (3), township fifty-two (52) north, range one (1) east, being the northeast corner of Kootenai county with Bonner county to the north and Shoshone county to the east;
Thence south along the section lines, approximately 12 miles to the southwest corner of section thirty-four (34), township fifty-one (51) north, range one (1) east;
Thence east along the township line, approximately 1 half mile to the north quarter corner of section three (3), township fifty (50) north, range one (1) east;
Thence south along the midsection lines, approximately 6 miles to the south quarter corner of section thirty-four (34), township fifty (50) north, range one (1) east;
Thence west along the township line, approximately 3.74 chains (247 feet) to the north quarter corner of section three (3), township forty-nine (49) north, range one (1) east;
Thence south along the midsection lines, approximately 2 miles to the south quarter corner of section ten (10), township forty-nine (49) north, range one (1) east;
Thence west along the section line, approximately 1 quarter mile to the west sixteenth corner of sections ten (10) and fifteen (15), township forty-nine (49) north, range one (1) east;
Thence south along the sixteenth section subdivision lines, approximately 4 miles to the west sixteenth corner of section thirty-four (34), township forty-nine (49) north, range one (1) east;
Thence west along the township line, approximately 3.40 chains (224 feet) to the west sixteenth corner of section three (3), township forty-eight (48) north, range one (1) east;
Thence south along the sixteenth section subdivision lines, approximately 5 and 1 half miles to the center west sixteenth corner of section thirty-four (34), township forty-eight (48) north, range one (1) east;
Thence west along the section subdivision line, approximately 90 feet to a duly surveyed property corner monument;
Thence south along the property line, approximately 1 half mile to a duly surveyed property corner monument on the township line;
Thence east along the township line, approximately 90 feet to the west sixteenth corner of section thirty-four (34), township forty-eight (48) north, range one (1) east;
Thence east along the township line, approximately 1 quarter mile to the south quarter corner of section thirty-four (34), township forty-eight (48) north, range one (1) east;
Thence east along the township line, approximately 1.55 chains (102 feet) to the north quarter corner of section three (3), township forty-seven (47) north, range one (1) east;
Thence south along the midsection lines, approximately 3 miles to the south quarter corner 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;
Thence west along the section line, 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 south along the section lines, approximately 2 miles to the southwest corner of section twenty-seven (27), township forty-seven (47) north, range one (1) east;
Thence east along the section line approximately 1 half mile to the south quarter corner of section twenty-seven (27), township forty-seven (47) north, range one (1) east;
Thence south along the midsection lines, approximately 4 miles to the south quarter corner of section fifteen (15), township forty-six (46) north, range one (1) east;
Thence west along the section line approximately 1 quarter mile to the west sixteenth corner of section fifteen (15) and section twenty-two (22), township forty-six (46) north, range one (1) east;
Thence south along the sixteenth section subdivision line, approximately 1 mile to the west sixteenth corner of section twenty-two (22) and section twenty-seven (27), township forty-six (46) north, range one (1) east;
Thence east along the section line approximately 1 quarter mile to the north quarter corner of section twenty-seven (27), township forty-six (46) north, range one (1) east;
Thence south along the midsection lines, approximately 2 miles to the south quarter corner of section thirty-four (34), township forty-six (46) north, range one (1) east;
Thence west along the township line, approximately 1 half mile to the northwest corner of section three (3), township forty-five (45) north, range one (1) east;
Thence south along the section lines, approximately 6 miles to the southwest corner of section thirty-four (34), township forty-five (45) north, range one (1) east;
Thence east along the township line, approximately 14.24 chains (940 feet) to the west sixteenth corner of section three (3), township forty-four (44) north, range one (1) east;
Thence south along the sixteenth section subdivision lines, approximately 12 miles to the west sixteenth corner of section thirty-four (34), township forty-three (43) north, range one (1) east, being the southeast corner of Benewah county with Shoshone county to the east and south;
Thence west along the township line, approximately 15.50 chains (1,023 feet) to the northwest corner of section three (3), township forty-two (42) north, range one (1) east, being the northeast corner of Latah county with Benewah county to the north and Shoshone county to the east;
Thence south along the section lines, approximately 2 miles to the southwest corner of section ten (10), township forty-two (42) north, range one (1) east;
Thence east along the section line, approximately 1 half mile to the south quarter corner of section ten (10), township forty-two (42) north, range one (1) east;
Thence south along the midsection line, approximately 2 miles to the south quarter corner of section twenty-two (22), township forty-two (42) north, range one (1) east;
Thence west along the section line, approximately 1 quarter mile to the west sixteenth corner of sections twenty-two (22) and twenty-seven (27);
Thence west along the section line, 90 feet to a duly surveyed property corner monument;
Thence south along the property line, approximately 1 half mile to a duly surveyed property corner monument;
Thence east along the section subdivision line, 90 feet to the center west sixteenth corner of section twenty-seven (27);
Thence south along sixteenth section subdivision lines, approximately 1 and 1 half miles to the west sixteenth corner of sections thirty-four (34) and three (3), township forty-two (42) north and township forty-one (41) north, range one (1) east, being the southwest corner of Shoshone county with Latah county to the west and Clearwater county to the south;
Southern boundary. Thence east on the said township line to the intersection of the same with the boundary line of the state of Montana, the place of beginning.
County seat-Wallace.
Idaho Code § 31-142