The phrase "able to dig a" is correct and usable in written English.
It can be used when describing someone's capability or skill in performing the action of digging, often in a specific context.
Example: "The archaeologist was able to dig a trench to uncover ancient artifacts."
Alternatives: "capable of digging a" or "skilled at digging a".
"The kids see advertising and marketing day to day," Ms. Martin said, "but we're able to dig a lot deeper".
Buildings sit above most of the remaining tunnel route, so if Bertha fails again workers won't be able to dig a new shaft to reach it.
"Being in charge of the garden, I was able to dig a trench and disguise the sand by scattering it in the bottom so the guards couldn't see it and become suspicious".
He says that one distinguished wildlife biologist told him, "Allan, either you are wrong and we will not be able to dig a hole deep enough to bury you in or you are right and we will not be able to build a monument high enough".
And if you were able to dig a hole to the center of the earth, your effective weight would be zero, because all the gravitational forces from every direction would be acting on you simultaneously and would cancel one another out.
After a fair bit of poking and prodding, they were able to dig a full copy of the webOS 1.0.2 ROM, and proceeded to have at it.
And as Farber points out, the reign of doubt at the Israeli rabbinate began as it was becoming steadily less likely that an American Jew would be able to dig an Orthodox marriage contract out of her mother's drawer.
"I love being able to dig up a carrot or a potato when I need one.
So far the pro-environmental stance hasn't hurt business: Thanks to a quick okay from community leaders, George was able to dig in a few new areas near his old mine two years ahead of schedule, increasing production by a third by the end of 1999.
In all I was able to dig out a gallon-size plastic bag full.
Gdgt's Ryan Block was able to dig up a bit more about the connection.
