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Mileages are given in the form miles.chains. Figures prefixed with ≈ are approximate, those in parentheses are not on this route but are given for reference. Reference to 'start'/'end' of an asset are as read down the page.
BMZ Blackmill Branch
2.56 Blackmill Junction with OGM
3.20 Dimbath Junction with DBZ (0.00)
5.47 Carrog Vale siding
6.11 Gilfach Junction with GIL (0.00) and HEF (1.58)
Note that 0.00-2.56 is included in OGM, even though this section was part of the original Blackmill Branch