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Posts by pwhole

Showing 400 results below:

Author Message
Topic: Croesor Quarry Explosives Store Photos
pwhole

Forum: North Wales   Posted: 02/08/2020 23:52:27   Subject: Croesor Quarry Explosives Store Photos
Good grief, that's a lot of bang. I can see why they wanted it moving.
Topic: Chemical rock splitting
pwhole

Forum: Mining Methods & Techniques   Posted: 31/07/2020 00:51:46   Subject: Chemical rock splitting
A cave diver I know used some to split boulders beyond a sump where explosives were impossible, and plug and feathers ineffective - the boulders were sort of 2m-long potato shapes half-submerged in w
Topic: Gleadless, Sheffield - Mystery Excavations
pwhole

Forum: Midlands   Posted: 29/07/2020 00:04:00   Subject: Gleadless, Sheffield - Mystery Excavations
That's an interesting interpretation - several of them do have a tree growing in the centre. The prevailing wind would be downslope here, though they're well below the summit of the hill, and quite we
Topic: Gear review, Roughneck Micro Mattock
pwhole

Forum: General Chat   Posted: 25/07/2020 22:23:08   Subject: Gear review, Roughneck Micro Mattock
[quote="gNick"] I had to get a new one a while back as I managed to lose the handle, unfortunately they don't float!
[/quote]
That reminded me of my other favourite underground tool, the 'S
Topic: Gleadless, Sheffield - Mystery Excavations
pwhole

Forum: Midlands   Posted: 20/07/2020 22:30:07   Subject: Gleadless, Sheffield - Mystery Excavations
Yep, just to the east of this is 'Bolehill Farm'. And just to the east of that, adjacent to the old Hemsworth road (now bypassed by a shallower-curved road just above it) are the remains of five 'chim
Topic: Gleadless, Sheffield - Mystery Excavations
pwhole

Forum: Midlands   Posted: 20/07/2020 12:02:25   Subject: Gleadless, Sheffield - Mystery Excavations
Realistically it makes perfect sense for all of these sites to be lead-smelting related, given their location. They could access them from Derbyshire essentially at one level along the SW-NE plateau,
Topic: Gleadless, Sheffield - Mystery Excavations
pwhole

Forum: Midlands   Posted: 20/07/2020 11:52:59   Subject: Gleadless, Sheffield - Mystery Excavations
I've been using the NLS side-by-side viewer for most of this work and have found several more - all on steep west-facing escarpments in woodland. The site known in Sheffield as 'Bole Hills' is in Cobn
Topic: Mining subsidence visible on LIDAR images?
pwhole

Forum: North East England   Posted: 19/07/2020 14:08:17   Subject: Mining subsidence visible on LIDAR images?
To save diverting this thread any further from its original topic I've started up a new one:

https://www.aditnow.co.uk/Community/viewtopic.aspx?t=14978
Topic: Gleadless, Sheffield - Mystery Excavations
pwhole

Forum: Midlands   Posted: 19/07/2020 14:07:32   Subject: Gleadless, Sheffield - Mystery Excavations
I've split this off from the 'Mining subsidence' topic as it probably deserved its own:

[quote="AR"]White coal kilns (aka "Q" pits) don't need to be on the top of a scarp as they're for a r
Topic: Mining subsidence visible on LIDAR images?
pwhole

Forum: North East England   Posted: 18/07/2020 16:25:21   Subject: Mining subsidence visible on LIDAR images?
Well I clicked 'Allow' for my location in two different browsers and I was in Northamptonshire in one, and Essex in the other - which will do nicely ;)
Topic: Mining subsidence visible on LIDAR images?
pwhole

Forum: North East England   Posted: 18/07/2020 15:48:54   Subject: Mining subsidence visible on LIDAR images?
I'm finding the lighting model a bit weird on this application, as features I've located on a LIDAR map generated for me are almost invisible on this one.

Anyway, it has reminded me to post
Topic: Gear review, Roughneck Micro Mattock
pwhole

Forum: General Chat   Posted: 14/07/2020 23:05:51   Subject: Gear review, Roughneck Micro Mattock
I've got a couple of Roughneck shovels, one of these micro picks and a few crowbars too - they're very impressive tools for the price and I haven't had any of them fail on me yet - other than someone
Topic: Construction Phase of 'Woodsmith Mine' Launched by Sirius Minerals
pwhole

Forum: North East England   Posted: 26/06/2020 00:35:01   Subject: Construction Phase of 'Woodsmith Mine' Launched by Sirius Minerals
Interesting turn of events, though not entirely unexpected with these swine:

https://www.theguardian.com/politics/2020/jun/25/robert-jenrick-faces-questions-over-meeting-with-israeli-mining
Topic: Photography in caves
pwhole

Forum: Underground Photography & Video   Posted: 25/06/2020 22:59:01   Subject: Photography in caves
Good grief, that's amazing. From the photo it appears that leaning against something most of the time might also be a pre-requisite? I bet you actually get recoil when you switch that on :blink:
Topic: Back underground ????
pwhole

Forum: General Chat   Posted: 25/06/2020 17:17:20   Subject: Back underground ????
Hahah, good luck! I finally managed the bus a few times last week, after three months walking only - rebuilding and pointing a shaft top near Bradwell, so it was (kind of) work. They're not asking to
Topic: Biggest-ever Tanzanite Crystals
pwhole

Forum: General Chat   Posted: 25/06/2020 12:20:01   Subject: Biggest-ever Tanzanite Crystals
Mind you, he does have 30 kids. So that'll last about six months ;)
Topic: Biggest-ever Tanzanite Crystals
pwhole

Forum: General Chat   Posted: 25/06/2020 11:05:29   Subject: Biggest-ever Tanzanite Crystals
Just found - monsters:

https://www.theguardian.com/world/2020/jun/25/small-scale-miner-finds-biggest-tanzanite-gems-in-history-worth-33m
Topic: Back underground ????
pwhole

Forum: General Chat   Posted: 25/06/2020 01:25:48   Subject: Back underground ????
I never kept a log of how many trips I've done to Longcliffe during the lifespan of the project, but it would be well over a hundred, with at least half underground - I was generally one of the hauler
Topic: Back underground ????
pwhole

Forum: General Chat   Posted: 24/06/2020 18:49:38   Subject: Back underground ????
ttxela - I should have pointed out more clearly (I was typing in haste whilst on the phone!), that I was referring to myself considering trips, not whether you should be - I hope you didn't take it th
Topic: Back underground ????
pwhole

Forum: General Chat   Posted: 24/06/2020 16:00:01   Subject: Back underground ????
SRT may not be that awkward for a rescue as many techniques and specialised bits of equipment exist already, especially in the rope-access industry - granted, always done on two ropes. DCRO got a guy
Topic: Back underground ????
pwhole

Forum: General Chat   Posted: 19/06/2020 08:42:40   Subject: Back underground ????
[quote]I dunno, this seems really messy to me. On the one had it seems official legal restrictions have been lifted for some weeks now.

On the other you have some persuasive arguments that
Topic: Back underground ????
pwhole

Forum: General Chat   Posted: 15/06/2020 23:01:56   Subject: Back underground ????
I've had to get the bus from Sheffield to Bradwell and back a few times recently (working on a shaft collar - surface!), and it's been virtually empty or totally empty every time. Bradwell village is
Topic: Back underground ????
pwhole

Forum: General Chat   Posted: 14/06/2020 23:33:03   Subject: Back underground ????
But we need to know - did you cough on any of the hangers? ;)
Topic: The Derbyshire Caver, Issue 153
pwhole

Forum: Midlands   Posted: 10/06/2020 01:29:14   Subject: The Derbyshire Caver, Issue 153
We do what we can under the circumstances.

Hopefully one day we can find a venue and open a 'Museum of Longcliffe Detritus' to exhibit all our marvellous finds. I have individual photos of
Topic: The Derbyshire Caver, Issue 153
pwhole

Forum: Midlands   Posted: 06/06/2020 19:10:25   Subject: The Derbyshire Caver, Issue 153
Covid-19 can't stop the DCA from publishing - despite the lack of serious underground work going on, we've managed to put a summer edition of The Derbyshire Caver together - hope you enjoy it:
<
Topic: Worth Iron Furnace - nodule (photo)
pwhole

Forum: South East England   Posted: 25/05/2020 22:00:54   Subject: Worth Iron Furnace - nodule (photo)
I have nothing more sophisticated at home than a small graduated flask, but both 'iron' lumps displaced exactly 25 ml of water, as close as I could get. I re-weighed them on some better scales and got
Topic: Worth Iron Furnace - nodule (photo)
pwhole

Forum: South East England   Posted: 25/05/2020 13:23:38   Subject: Worth Iron Furnace - nodule (photo)
Here's some photos - first of the slag - no.1 is on the day I found it, and the others taken today. It's very light, weighing only 69g, and feels like holding pumice:

[link]120596[linkphoto
Topic: Worth Iron Furnace - nodule (photo)
pwhole

Forum: South East England   Posted: 25/05/2020 01:23:12   Subject: Worth Iron Furnace - nodule (photo)
I've got a couple of interesting lumps that I found some time ago, though I'm struggling to remember where - possibly Rotherham area, but I pick up so much stuff I just have piles lying around now. I
Topic: Rare Welsh gold hunt
pwhole

Forum: North Wales   Posted: 20/05/2020 00:29:22   Subject: Rare Welsh gold hunt
Is this the Omagh one?

https://www.youtube.com/watch?v=CfH7TOvZYBA

I have a friend from Bangor in NI, and I'm sure she told me years ago that gold had been 'discovered' under the
Topic: Cwmorthin Vandalism
pwhole

Forum: North Wales   Posted: 15/05/2020 15:52:05   Subject: Cwmorthin Vandalism
[quote]Mind, there are some proper planks about:

https://www.dailypost.co.uk/news/north-wales-news/live-police-stand-surfer-refusing-18253089[/quote]

Hahah - on a motorised plank
Topic: Cwmorthin Vandalism
pwhole

Forum: North Wales   Posted: 13/05/2020 23:58:42   Subject: Cwmorthin Vandalism
I can't tell if they mean for visitors to go home or the disease. Unclear messaging! And why trash a cultural feature? Baffling.
Topic: Back underground ????
pwhole

Forum: General Chat   Posted: 13/05/2020 15:06:26   Subject: Back underground ????
Posted some pics - it's easy to see what it became a popular site for parties. I had to drag one guy down from that cliff when he decided to go 'free-climbing' at 3am with only a strobing UV light for
Topic: Back underground ????
pwhole

Forum: General Chat   Posted: 13/05/2020 13:18:08   Subject: Back underground ????
I just remembered I have some good photos of this site, so I'll stick them up shortly ;)
Topic: Back underground ????
pwhole

Forum: General Chat   Posted: 13/05/2020 11:21:06   Subject: Back underground ????
I still live in fear that she's out there, somewhere, waiting to give me a big, sweaty goggle-eyed fifteen-minute hug for no reason at all - and then kick me in the nuts.

The icing on the c
Topic: Back underground ????
pwhole

Forum: General Chat   Posted: 13/05/2020 00:26:11   Subject: Back underground ????
[quote="Roger the Cat"]I may be a Grumpy Old Man, but it does seem to me watching the punters punt over the years, that there really is a Crowd Culture in the UK. OK, there are packed places in the Th
Topic: Free money for clubs with huts
pwhole

Forum: General Chat   Posted: 02/05/2020 21:37:52   Subject: Free money for clubs with huts
I've just got one day's work doing rope-access work tomorrow - so at least the company that hired me haven't gone bust yet. Ironically it's at a hospital, but outside, and sounds like an emergency rep
Topic: Free money for clubs with huts
pwhole

Forum: General Chat   Posted: 30/04/2020 14:15:33   Subject: Free money for clubs with huts
[quote]Seconded.
I have passed your post along.
PDMHS have a hut (Magpie Mine) that still needs paying for and we do employ staff for the museum and Temple mine.[/quote]
I resisted maki
Topic: Free money for clubs with huts
pwhole

Forum: General Chat   Posted: 30/04/2020 00:41:53   Subject: Free money for clubs with huts
Well I am losing my livelihood, as I pointed out above - I can't work unless it's at home, and there's not much of that kind of work these days - I just finished my last home job. I earn most of my mo
Topic: Free money for clubs with huts
pwhole

Forum: General Chat   Posted: 29/04/2020 21:36:02   Subject: Free money for clubs with huts
The TSG brings in hundreds of visitors a year to Castleton, most of whom go caving there and spend money at the local shops and pubs. We've worked with the Parish Council, the local history group and
Topic: RIP Steve Thompson
pwhole

Forum: General Chat   Posted: 26/04/2020 23:37:56   Subject: RIP Steve Thompson
Steve was a huge help to me, digging out all kinds of scraps from his records - and even sending me new scraps he'd found whilst looking through archives for his own research, which was amazing. His w
Topic: Miners Tools.
pwhole

Forum: Mining Methods & Techniques   Posted: 21/04/2020 14:19:28   Subject: Miners Tools.
[quote="AR"]I didn't think the double-head pick was old when I looked at it, and I'm sure it's cast steel, not wrought iron. There are known to have been very small picks used in lead mining and there
Topic: Miners Tools.
pwhole

Forum: Mining Methods & Techniques   Posted: 20/04/2020 23:19:28   Subject: Miners Tools.
We also found this pick at roughly the same time and depth, though we were never quite as certain on whether this one was as old. The near tip does seem to be 'peeling' back though like wrought iron m
Topic: Miners Tools.
pwhole

Forum: Mining Methods & Techniques   Posted: 19/04/2020 12:59:25   Subject: Miners Tools.
We found this splendid example whilst excavating the shaft at Longcliffe - it was buried in the rubble about 10m below the original start level and 10m above the eventual floor, so most likely it was
Topic: Pangolin
pwhole

Forum: Midlands   Posted: 14/04/2020 23:28:04   Subject: Pangolin
[quote="Wormster"][quote="pwhole"]Just be thankful it's a pangolin and not a peccary...[/quote]

Pangloins are cute, Peccaries are a different kettle of fish, according to Gerrald Durrell!
Topic: Pangolin
pwhole

Forum: Midlands   Posted: 11/04/2020 23:12:55   Subject: Pangolin
Just be thankful it's a pangolin and not a peccary...
Topic: Ways to pass the time when you don't have a mine in the garden
pwhole

Forum: General Chat   Posted: 11/04/2020 15:09:28   Subject: Ways to pass the time when you don't have a mine in the garden
[quote="gNick"][quote="pwhole"]Did you forget to pack the plug and feathers? ;)[/quote]

No, just people are likely to have a limited stock of large heavy objects so reducing them to smaller
Topic: Ways to pass the time when you don't have a mine in the garden
pwhole

Forum: General Chat   Posted: 11/04/2020 00:54:36   Subject: Ways to pass the time when you don't have a mine in the garden
Did you forget to pack the plug and feathers? ;)
Topic: Top Tip
pwhole

Forum: Midlands   Posted: 09/04/2020 20:50:43   Subject: Top Tip
No spare lifting weights here, but I've got a 15kg lump of vein material with 2cm of galena in it that I foolishly brought out of a mine years ago - maybe I should put half a broom handle through the
Topic: JH mine
pwhole

Forum: Midlands   Posted: 01/04/2020 14:49:32   Subject: JH mine
We always figured that we hadn't traversed the full extent of the workings westwards - the mine was eight meers long, with one to the east of the founder, I think, so we should have had at least one m
Topic: What’s the strangest thing you’ve found?
pwhole

Forum: General Chat   Posted: 01/04/2020 14:25:46   Subject: What’s the strangest thing you’ve found?
It's likely, though not absolutely proven, that the mine has been blocked since the early 19th Century, if not earlier, and we found these on our breakthrough trip, so we can probably discount any 'li
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