| By current use | | none | 126 | | Passive station | 19 | | Active station | 4 | | Unknown - user added | 1 |
| | | By historic use | | Secondary | 121 | | none | 13 | | Primary | 10 | | Fundamental Benchmark | 3 | | Active station | 2 | | Unknown - user added | 1 |
| | | By type | | Pillar | 130 | | Active station | 6 | | Surface Block | 4 | | Bolt | 3 | | FBM | 3 | | Unknown - user added | 1 | | Berntsen | 1 | | Block | 1 | | Rivet | 1 |
| | | By condition | | Good | 116 | | Couldn't find it | 11 | | Slightly damaged | 8 | | Definitely missing | 7 | | Unreachable but visible | 4 | | Damaged | 2 | | Possibly missing | 1 | | Toppled or moved | 1 |
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