OK - electrician just left. Mysteries solved -- and even he was confused for a moment. I'll tell you why this was good news for me in a sec. Net: It was the outlet not the dryer. The source of the "pop" remains a mystery.
First he verified the outlet had no power, then checked behind the outlet and dryer panel for any burnt/blackened wires that might have explained the "pop" sound - nothing. Checked the breaker box and asked me several times if I was SURE there wasn't another panel. Apparently the breakers labeled MAIN usually indicate the presence of another panel. I didn't know of one. Made me wonder if there was one, because I didn't flip those when I was flipping all the others because I figured I didn't need to flip the MAIN power switch since I was trying to reset the specific breaker that controlled the outlet for the dryer.
You're probably snickering by now. ;-) If you've already guessed that the breakers labeled MAIN are 30 amp (hey, they were the only ones withOUT a number on them unlike the 20's and the 50's!) and that they are indeed the breakers for the dryer, they *were* tripped and once turned off and on (whoever it was who said they could take some effort to push back on was oh so right!) everything was fine, you are right. Dryer works fine.
*sigh* I am using the electricians momentary confusion regarding the mislabeled breakers as justification for *my* misguided logic in not resetting them originally.$40, but hey, I'm thinking through I definitely got $40 bucks worth of education through all this! ;-) Thanks for the help!
Laurie