5 audio discs (6 1/2 hr.) : CD audio, digital ; 4 3/4 in.
digital rdatr
optical rdarm
audio file rdaft
CD audio
Note
Compact discs.
Performer
Read by the author.
Summary
There once may have been 250,000 miles of stone walls in America's Northeast, stretching farther than the distance to the moon. And even though most are crumbling today, they contain a magnificent scientific and cultural story.