See also: South Grylls.
-1814 1819-1854 1872 trials
Publications (2)
- Dines, Henry George (1956); BGS - Regional Memoirs - Metalliferous Mining Region of South West England Vol1, The; 567 pages
- NMRS; British Mining 48 - Memoirs 1993; pp.86-88.
Speedwell, Wheal
aka South Grylls
Copper and Tin Mine
Worked from 1814 to 1872
Jan 1st, 2024 from RF by Buddle-Bot
| Cornwall | |
| Rosudgeon | |
| 50.104571, -5.416017 | |
| SW 5583 2831 | |
| Private Land | |
| 46m | |
| #9,049 |
Rod Shaft - 122m- Gundry's Shaft - 128m
- Sump Shaft - 130m
- King's Shaft - 171m
- Engine Shaft - 180m
- Orchard Shaft - 313m
Speed, Wheal - 585m- Engine Shaft - 608m
- Pressure Shaft - 739m
- James's Shaft - 910m
- Flatrod Shaft - 936m
- Georgia, Wheal - 960m
- Engine Shaft - 960m
Kenneggy, Wheal - 1,049m- Engine Shaft - 1,064m
- Grylls Shaft - 1,080m
- Cox's Shaft - 1,089m
- St. Aubyn and Grylls - 1,124m
- Engine Shaft - 1,124m
- Grylls Florence, Wheal - 1,143m
- Mildram's Shaft - 1,150m
- Footway Shaft - 1,177m
- Chiverton, Wheal - 1,178m
Engine Shaft - 1,219m- Engine Shaft - 1,234m
- Powderhouse Shaft - 1,243m
- Grylls, Wheal - 1,245m
- West Grylls - 1,273m
- Great Western Mines - 1,274m
- East Florence - 1,330m
- Greenberry Moor - 1,333m
- Chiverton Shaft - 1,392m
- Walter's Shaft - 1,454m
- Woodstock Shaft - 1,678m
- Neptune Shaft - 1,729m
- Sydney Cove Mine - 1,767m
- Engine Shaft - 1,782m
- South Great Work - 1,792m
- East Grylls, Wheal - 1,826m
- Pentreath and Pengersick - 1,866m
- Trebarvah, Wheal - 1,896m
- Flatrod Shaft - 1,899m
- Boundary Shaft - 1,982m