Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, south of Grand Junction, Idaho, Line Segment 381, Milepost 3.69. Sheet 1080 - 12, undated.

Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, south of Grand Junction, Idaho, Line Segment 381, Milepost 3.69. Sheet 1080 - 12, undated.

Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, south of Grand Junction, Idaho, Line Segment 381, Milepost 3.69. Sheet 1080 - 12, undated.

Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, south of Grand Junction, Idaho, Line Segment 381, Milepost 3.69. Sheet 1080 - 12, undated.

Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, south of Grand Junction, Idaho, Line Segment 381, Milepost 3.69. Sheet 1080 - 12, undated.

Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, south of Grand Junction, Idaho, Line Segment 381, Milepost 3.69. Sheet 1080 - 12, undated.

Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, south of Grand Junction, Idaho, Line Segment 381, Milepost 3.69. Sheet 1080 - 12, undated.

Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, south of Grand Junction, Idaho, Line Segment 381, Milepost 3.69. Sheet 1080 - 12, undated.

Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, south of Grand Junction, Idaho, Line Segment 381, Milepost 3.69. Sheet 1080 - 12, undated.

Northern Pacific Engineering Drawing: Post Falls Underpass, Bridge 4 - Highway, south of Grand Junction, Idaho, Line Segment 381, Milepost 3.69. Sheet 1080 - 12, undated.