Shakespeare exploited many well-mined sources for his plays.    From Wordnet, Princeton University. 

His quartet is a marvelous reminder that there's more to jazz than the well-mined blues and "I Got Rhythm" changes.    From Wordnik.com.  [Reviving Sounds and Legends] Reference

Movies like Oliver Stone's Wall Street 2 (Money Never Sleeps) delve into the well-mined culture of greed, with the director, perhaps chastened by the criticisms of his recent political travelogue in South America, assuring the NY Times it's not a "Michael Moore movie" whatever that means.    From Wordnik.com.  [Danny Schechter: See No Evil: Movies, Inquiry Avoid Exposing Fraud While Banksters Go Free] Reference

When well-mined, crumble into and 8 inch by 11 inch Pyrex dish.    From Wordnik.com.  [BigOven.com - Recipe Raves] Reference

Sampson for not having forced the narrow and well-mined channel at the risk of his fleet.    From Wordnik.com.  [The Path of Empire; a chronicle of the United States as a world power] Reference

We walked down that well-mined path once in recent American memory and we know where it leads.    From Wordnik.com.  [The Washington Note] Reference

According to the property owner, some 35 feet of rock separated this region from the river and the underlying Pittston vein, a well-mined coal bed.    From Wordnik.com.  [CR4 - Recent Forum Threads and Blog Entries] Reference

Certainly there’s plenty of ore to be found in the old well-mined conservative-associated approaches.    From Wordnik.com.  [The Volokh Conspiracy » Interesting Study on Professors’ Ideology:] Reference

If you happen to be a science fiction fan, it’s natural that you should want to write science fiction and the more sf you’ve read, the less likely it is that you’ll simply revisit the field’s well-mined conventions, such as space opera and dystopian satire.    From Wordnik.com.  [on writing by stephen king] Reference