Afon Cyll-y-felin (Unclassified).
Grid Reference: SH 18172 29793. Parish: Aberdaron, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Afon Cyll-y-felin (Unclassified).
Grid Reference: SH 17169 27803. Parish: Aberdaron, Caernarfonshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Allt Ffynnon-cyll (No2) (Topographic feature).
Grid Reference: SN 21305 14642. Parish: Eglwyscummin, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Allt Ffynnon-cyll No.1 (Topographic feature).
Grid Reference: SN 21101 15040. Parish: Eglwyscummin, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Banc y Llan (Field).
Grid Reference: SN 62239 64289. Parish: Blaenpennal, Cardiganshire
When recorded: 1841. Primary Source: none. Secondary Source: Cynefin

Banc y Lluest (Unclassified).
Grid Reference: SN 70328 53475. Parish: Llanddewi-Brefi, Cardiganshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Banc y Llyn (Unclassified).
Grid Reference: SN 80504 65082. Parish: Caron-uwch-clawdd, Cardiganshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Banc y Llyn (Topographic feature).
Grid Reference: SN 57405 15276. Parish: Llanarthne, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Banc-cornicyll (Settlement).
Grid Reference: SN 56447 15079. Parish: Llanarthne, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website

Banc-y-llain (Settlement).
Grid Reference: SN 23052 20966. Parish: Llanboidy, Carmarthenshire
When recorded: 1898-1908. Primary Source: OS 2nd Edition Maps. Secondary Source: GB1900 website