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Aberystwyth to Machynlleth

Third geodetic levelling, England & Wales.
Geodetic line G012.

Levelling Route

FBM  Aberystwyth.   552.9972ft SN 6064 7735
G2003  SW face, 5' from W angle of cottages Cwrt-Y-Fancy, NE side of road   - SN 6033 7878
G2004  Aberystwyth, Southgate.   - SN 5928 7989
G2006  Aberystwyth, Trefechan.   - SN 5827 8108
S0471  Aberystwyth, South Road.   - SN 5816 8139
G2008  Aberystwyth Penglais Road.   - SN 5917 8186
BOLT  OSBM Bolt on living rock, SE side of road, 3' NE from NE entrance to track opposite   - SN 6073 8225
G2009  SW face, S angle of cottage Ty-Coch, SE side of road   - SN 6190 8311
G2088  Bow Street, Newlynne.   - SN 6229 8469
G2010  Rhydypennau.   - SN 6288 8586
BOLT  OSBM Bolt in rock, at foot of bank, NW side of road, 4' SW from E angle of house Fron Ddel   - SN 6400 8691
BOLT  OSBM Bolt in culvert, SE side of road, 148' NE from junction of hedges   - SN 6479 8822
S0460  Tal-y-bont.   - SN 6550 8951
BOLT  OSBM Bolt on living rock, 57' E from SE side of road, 59' NE from junction of hedge & wall at Tan-Yr-Allt opposite   - SN 6559 9105
G2011  Tre'r-ddôl.   - SN 6604 9235
BOLT  OSBM Bolt on bridge at NE angle, SE side of road, 27' N from N bank of Afon Ddu   - SN 6680 9389
BOLT  OSBM Bolt on boulder at culvert, SE side of road, 94' NE from hedge junction   - SN 6801 9459
S0459  Eglwys Fach.   - SN 6865 9550
BOLT  OSBM Bolt in concrete step, 2' SW from junction of walls, NW side of road   - SN 6919 9675
BOLT  OSBM Bolt on W face of parapet of bridge, 8' S from SW bank of Afon Llyfnant   - SN 7048 9785
BOLT  OSBM Bolt on living rock, E side of road, on production of fence & 7' E from angle of fences   - SN 7083 9917
G2012  Derwenlas.   - SN 7224 9914
BOLT  OSBM Bolt on living rock, S side of road, 232' E from angle of wall   - SH 7341 0026
S0349  Machynlleth.   - SH 7477 0080
FBM  Machynlleth.   112.8472ft SH 7553 0052

This route is covered by Landranger sheet 135. (interactive map)


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