I just spent a bit of time researching the difference between ravens and crows, and I believe these to be ravens. First off, they are HUGE. Secondly, they have varied vocalizations and sometimes make chortling sounds (crows just go caw caw!). Looking at pictures they have the correct tails. And they are very noisy in flight, making loud "whoosh whoosh" sounds with their wings.
They seem to be eating the nuts out of the pine cones.
And yes, PatPack, I'm on the east side of town.