RE:RE:RE:RE:RE:RE:made a park for the barge Judging from what I could see, it looks like the better part of a meter with 350-400 gpt material..
https://ucfa1a9fa8c655bbfd6b3338b215.previews.dropboxusercontent.com/p/pdf_img/ABYJG2G4lLVhQlbm4D4c9xLpTsELlTQHBLVAjlAnFWZHe2_H_RGh516JDEPFyBKaqDrMJlER6vwXjm2EGnnU0ziqSokiW_uPcxu6cFPgbMUCn0YI-afk4AC40tZHAfaTSAF4kBrSpaAgC0VX4Rb-JDGPEELzZK1rrAhKsKUJLFjZF1Q41YDmV0MTAJEBzJKfF5A-gDpsmyOUiT6OSu9VnPBIEPouFmobPb6qqO36JvlXDZ310DWrN9N7rdiFfWFld5TDpQFJWy4TwmFzHVYdXFxpdOLRAGYAlrH8ZAsqxb66unKLK4qA2MkuTcCeZAyRugfqflROygyezRvf--nBuCkSI7JqNRRt9CkEXMZWj8io-yz86rRkd6YvA2EJd6lTW6ArUqV5mSc4hgO_5w7AZOQgiNjh1GXmGXW1pq-tPrp7Tw/p.png?page=6&scale_percent=0
18-39 give 1.10 meters at 550.30 gr\tons I think around same grade