Ordnance Survey and Ordnance Survey of Scotland First Series : Sheet 107 SE
Cumberland XX (includes: Silloth.) Surveyed: 1866 Published: 1868
http://maps.nls.uk/view/102340749#zoom=4&lat=2308&lon=11416&layers=BT
Cumberland XXI (includes: Holme Abbey; Holme East Waver; Skinburness Marsh.) Surveyed: 1866 Published: 1868
http://maps.nls.uk/view/102340752#zoom=4&lat=4177&lon=4384&layers=BT
Cumberland XXI.SW (includes: Holme Abbey; Holme East Waver; Holme Low; Skinburness Marsh.) Revised: 1899 Published: 1901
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Ordnance Survey of Great Britain New Series: Sheet 7 & 8: Year 1904
http://www.visionofbritain.org.uk/maps/sheet/os_medium_1904/1125_14_7_8
Cumberland XXI.SW (includes: Holme Abbey; Holme East Waver; Holme Low; Skinburness Marsh.) Revised: 1924 Published: 1927
http://maps.nls.uk/view/101090053#zoom=3&lat=4470&lon=4784&layers=BT
Cumberland XXI.SW (includes: Holme Abbey; Holme East Waver; Holme Low; Skinburness Marsh.) Revised: 1946 Published: 1952
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NY15 & Parts of NY05 Publication date: 1954
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