The phrase "ancient digs" is correct and usable in written English.
It can be used to refer to archaeological excavations or sites that are from ancient times.
Example: "The archaeologists uncovered fascinating artifacts at the ancient digs in the valley."
Alternatives: "ancient excavations" or "historical digs".
The research was published in the Journal of Vertebrate Paleontology, and a press release was released on August 27 , 2012 through Eurekalert (http://www.eurekalert.org/pub_releases/2012-08/sovp-fso082212.php), "Fossil skeleton of strange, ancient digging mammal clears up 30-year evolutionary debate".
Ancient Buddhists dug out caves everywhere — 30 at the base of an Indian waterfall, 500 in a mountain at the edge of the Gobi desert — and stuffed them with their most elaborate art.
[C4.] EBay Is Asked to Police Artifacts The British Museum has asked eBay to stop the sale of ancient artifacts dug up by Britons who failed to report their discoveries as required by law.
Refugees have re-inhabited buildings amongst the Ancient Villages, digging latrines, and scavenging for lucrative archaeological finds.
Another possible explanation involves the discovery of ancient pits dug by early settlers, some 8 feet wide and 12 feet deep, that were cribbed with oil-soaked timbers.
Some suggest hugging trees, some suggest writing letters and never sending them, ancient cultures dig a hole in the ground, releasing the negativity into the inner cauldron of the earth, covering the hole and returning to life lighter with less stress, more hope, and renewed zest to find the solution.
1914 is not so remote a date that he has to worry much about period detail, but he is obliged to give the reader quite a lot of information about geology, petroleum deposits, ancient Mesopotamia, how digs are dug and so on.
An ancient feathered creature dug up in northeastern China is the largest winged dinosaur ever found, researchers say.
B8 WEEKEND E1-30; E31-44 SCIENCE/HEALTH A 170-Room Ancient Palace Archaeologists digging in a Guatemalan jungle found a Mayan palace dating from the eighth century.
We wouldn't stand by and let wildflower meadows and ancient forests be dug up and cleared, and yet heavy fishing gear is dragged across all kinds of habitats, destroying large swathes of the seabed with very little control".
