From: https://commons.wikimedia.org/wiki/File:Whewell_tidal_chart_Britain_and_Ir... Uploaded by Brian Tiplady. Last modified about 3 years ago. 4 control points.
Links:
Wikimedia Commons
|
Export
|
|
File:Whewell tidal chart Britain and Ireland 1836 amphidromic point southern North Sea.jpg
From: https://commons.wikimedia.org/wiki/File:Whewell_tidal_chart_Britain_and_Ir... Uploaded by Brian Tiplady. Last modified about 3 years ago. 4 control points. Links: Wikimedia Commons
|
Export
|
WMS Capabilities URL
Tiles base URL
Download points as CSV