Rinshinkō no ryakuzu : Rinshinkō ichimei Chōtangawa to iu : tadashi Rinshinshin Hishū kanka yori Jōtōri Kōka-gun kanka ni itaru /

Relief shown by form lines. Depths shown by soundings.
Available also through the Library of Congress Web site as a raster image.
This map almost identical with LCCN 2010360475, except minor differences and paper quality.
"朝紀三十号・第四棚" --Written in red on verso.
"河幅ハ尺度ノ割合ヲ以テセズ・河底測量我国尺ヲ以テ数フ可シ"--At bottom.