Afon Caseg (Unclassified).
Grid Reference: SH 67443 65750. Parish: Llanllechid, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Afon Caseg (Unclassified).
Grid Reference: SH 65485 66435. Parish: Llanllechid, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Bryn Casegvan (Topographic feature).
Grid Reference: SN 64082 52093. Parish: Llanfair Clydogau, Cardiganshire
When recorded: 1699. Primary Source: Parochialia 3. Secondary Source: none

Cae y caseg (Field).
Grid Reference: SN 52725 35185. Parish: Llanfihangel Rhos-y-corn, Carmarthenshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Caseg Mallreaeth (Unclassified).
Grid Reference: SH 37079 64602. Parish: ,
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Clogwyn Caseg-wen (Unclassified).
Grid Reference: SH 59267 30228. Parish: Llanfair, Merionethshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Cwm Caseg (Unclassified).
Grid Reference: SH 67937 65061. Parish: Llanllechid, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Ffynnon Caseg (Unclassified).
Grid Reference: SH 67886 64966. Parish: Llanllechid, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

llyn Caseg-fraith (Unclassified).
Grid Reference: SH 66847 58303. Parish: Capel Curig, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Ogof Caseg (Unclassified).
Grid Reference: SM 99588 38776. Parish: ,
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website