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Layer Id 163 Name WALBS bios - Charles Dawson Ridley
Description Biographical data and locations of Charles Dawson Ridley between 1811 and 1838, as part of research into people of interest for WA Legacies of British Slavery project (ARC) Type Other
Created At 2022-01-14 17:13:48 Updated At 2024-03-28 12:02:47
Ghap Url https://test-ghap.tlcmap.org/layers/163
Statistic Value Unit
Total Places
5 -
Area
50749561.423945 km2
Convex Hull
POLYGON((115.741389 -32.056861,-58.153667 6.818278,-0.127722 51.50325,116.648472 -31.643861,115.741389 -32.056861)) -
Density
9.8523018913044E-8 places/km2
Centroid
POINT(58.019722200000004 -7.452461) -
Bounding Box
POLYGON((-58.153667 -32.056861,-58.153667 51.50325,116.648472 51.50325,116.648472 -32.056861,-58.153667 -32.056861)) -
Most Central Place
Walyalup (Fremantle) -
Most Distant Place from center
Vreed en Hoop, Demerara (Guyana) -
Distribution
  • Average Distance from Centroid: 8255.1800861512
  • Average Distance from Centroid / Area of Convex Hull: 0.00016266505275169
kilometers
Start Date
1811-12-14 -
End Date
1838-8-18 -
Duration
26.68 years
Median Date
1830-01-30 -
Average Date
1827-08-07 -