Megalithic Portal Map Search
All Countries: United States: Ancient Mine, Quarry or other Industry
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Where rock was quarried for use as tools, etc. Also includes Ancient Dams, Irrigation Systems etc.
 Thunderbird Archaeological District Ancient Mine, Quarry or other Industry in Mid Atlantic Posted by chuquisaca1 on Wednesday, 03 April 2024 Condition: 1, Ambience: 1, Access: 5, Accuracy: 5 (Our Pic) No Comments |
 Pipestone National Monument Ancient Mine, Quarry or other Industry in Great Lakes Midwest Posted by AKFisher on Thursday, 10 August 2023 Condition: 2, Ambience: 3, Access: 5, Accuracy: 4 (No Pic) No Comments |
| Ochee Spring Quarry Ancient Mine, Quarry or other Industry in New England Posted by Andy B on Monday, 02 January 2023 , Ambience: 2, Accuracy: 3 (No Pic) 1 comment |
| Lindenmeier Site Ancient Mine, Quarry or other Industry in The Southwest Posted by bat400 on Sunday, 23 February 2020 Condition: 5, Ambience: 5, Access: 2, Accuracy: 4 (Other Pic) 2 News and Comments |
| Big Eddy Ancient Mine, Quarry or other Industry in The Plains Posted by bat400 on Tuesday, 15 September 2015 Condition: 1, Ambience: 3, Accuracy: 5 (Other Pic) 5 News and Comments |
 Alta Toquima Wilderness Ancient Mine, Quarry or other Industry in The West Posted by Andy B on Wednesday, 29 July 2015 Condition: 4, Ambience: 5, Access: 1, Accuracy: 3 (Other Pic) No Comments |
| Badger Hole (Oklahoma) Ancient Mine, Quarry or other Industry in The Plains Posted by bat400 on Wednesday, 27 August 2014 , Accuracy: 2 (Our Pic) 4 News and Comments |
| Alpena-Amberley Ridge Game Drives Ancient Mine, Quarry or other Industry in Great Lakes Midwest Posted by bat400 on Thursday, 19 June 2014 Condition: 1, Access: 1, Accuracy: 2 (Other Pic) 6 News and Comments |
 Dauphin Island Shell Mound Park Ancient Mine, Quarry or other Industry in The South Posted by bat400 on Tuesday, 25 February 2014 Condition: 2, Access: 4, Accuracy: 4 (Our Pic) No Comments |
 Snyder's Mound Ancient Mine, Quarry or other Industry in The South Posted by bat400 on Friday, 06 May 2011 Condition: 2, Ambience: 3, Access: 5, Accuracy: 4 (Other Pic) No Comments |
| Debra L. Friedkin Ancient Mine, Quarry or other Industry in The Southwest Posted by bat400 on Sunday, 27 March 2011 , Accuracy: 3 (No Pic) No Comments |
| Tosawihi Quarry Ancient Mine, Quarry or other Industry in The West Posted by bat400 on Monday, 21 February 2011 , Accuracy: 1 (No Pic) 2 News and Comments |
| Obsidian Cliff Ancient Mine, Quarry or other Industry in The Northwest Mountains Posted by bat400 on Thursday, 08 April 2010 Condition: 3, Ambience: 5, Access: 5, Accuracy: 4 (Other Pic) 2 News and Comments |
| Antelope Hill Ancient Mine, Quarry or other Industry in The Southwest Posted by bat400 on Wednesday, 03 February 2010 , Accuracy: 4 (No Pic) No Comments |
| Great Salt Spring Ancient Mine, Quarry or other Industry in Great Lakes Midwest Posted by bat400 on Saturday, 16 January 2010 , Accuracy: 5 (No Pic) 4 News and Comments |
| Miwok Salt Basins Ancient Mine, Quarry or other Industry in The West Posted by bat400 on Tuesday, 05 January 2010 , Access: 1, Accuracy: 2 (No Pic) 4 News and Comments |
| Topper Ancient Mine, Quarry or other Industry in The South Posted by bat400 on Wednesday, 15 July 2009 , Accuracy: 4 (No Pic) 12 News and Comments |
| Hudson-Meng Bison Kill Ancient Mine, Quarry or other Industry in The Plains Posted by bat400 on Wednesday, 20 February 2008 Condition: 5, Ambience: 4, Access: 5, Accuracy: 5 (Other Pic) 5 News and Comments |
| Flint Ridge Ancient Mine, Quarry or other Industry in Great Lakes Midwest Posted by bat400 on Wednesday, 30 May 2007 Condition: 4, Ambience: 4, Access: 5, Accuracy: 4 (Our Pic) 2 News and Comments |
| Backcountry cache Ancient Mine, Quarry or other Industry in Great Lakes Midwest Posted by billlawrence on Thursday, 15 February 2007 Condition: 3, Ambience: 4, Access: 1 (No Pic) No Comments |
 Wyandotte Cave Ancient Mine, Quarry or other Industry in Great Lakes Midwest Posted by bat400 on Thursday, 26 October 2006 Condition: 4, Ambience: 4, Access: 4 (Other Pic) 1 comment |
| Vera Cruz Quarry Pits Ancient Mine, Quarry or other Industry Posted by aluta on Tuesday, 24 October 2006 Condition: 3, Ambience: 4, Access: 5 (Our Pic) 14 News and Comments |
