affinis

site	latit.	longit.	dig N/S	dig E/W	prec.*	src**	site features	reference
Plymouth, England (English Channel)	50 21 N	4 9 W	50.349998	-4.150000	3	2			spp

*Precision of coordinates = by name of site (or city, etc.)
**Source of coordinates = gauged from chart or map

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