Dredge tug Mary J pushes one empty barge north out of Lock 6 as BNSF's four-car M-LAWLAW4-40A heads west on the other side of the mostly-empty marina.
| Time and Date: 10:10 AM, Thursday, November 4, 2021 | |
| Trempealeau, Trempealeau County, Wisconsin | |
| Approximate Latitude: 44° 0′ 1″ N (44.00047° ) | |
| Approximate Longitude: 91° 26′ 17″ W (-91.43817° ) | |
| Vessel Name: MARY J | Owner/Operator: UPPER RIVER SERVICES LLC |
| Official Number: 552921 | IMO: |
| Service: Towing Vessel | Call Sign: WSA3665 |
| Flag: US | Hailing Port: ST PAUL MN |
| Builder: TUCKER MARINE, INC | Builder City, Year Built: CINCINNATI OH, 1973 |
| Propulsion: Diesel Reduction | Horsepower: 800 |
| Gross Tons: 48 | Net Tons: 32 |
| Length x Breadth: 47.2999 x 18 | Depth: 6.2999 (feet) |
| Railroad: BNSF Rwy Co. [BNSF] | |
| Subdivision: St. Croix | Approximate Milepost: 317.4 |
| Camera Make: DJI | Camera Model: FC7303 |
| Shutter: 1/1000 | Aperture: 2.8 |
| ISO: 100 | Focal Length: 4.5 mm |
| White Balance: | Lens Range: |
| Exposure Mode: Manual | Focus Mode: |
