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| The hand-etched "PN" refers to a vinyl record pressed at NAMI in Scranton, subcontracted by Pitman when the Columbia Records plant suspended operations due to a labor strike in the spring of 1978. | 
"You don't see no music on the records unless you watch the grooves. And that ain't much. That's pretty boring,"
Bruce Springsteen once said. Despite his words, I have never felt bored when looking at these vinyl analog artifacts. 
I hope you enjoy reading this blog as much as I enjoy sharing information and my personal thoughts with you. 
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| The hand-etched "PN" refers to a vinyl record pressed at NAMI in Scranton, subcontracted by Pitman when the Columbia Records plant suspended operations due to a labor strike in the spring of 1978. | 
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| Scranton/NAMI pressings are characterized by a unique symbol stamped in the trail-off space of the record. Although often described as a stylized anvil, a comment on a relevant post on this blog (see 03/18/2017) claims it was modeled after the U.S. Capitol Building, as the pressing plant was owned by Capitol Records before NAMI. | 
Back in 2016, I took a shot at organizing and classifying the various U.S. versions of this timeless masterpiece based on the album track listings and production credits printed on the rear side of the gatefold sleeve (see 07/29/2016). A year later, in 2017, I delved deeper into how matrix numbers and dead-wax markings relate to the earliest U.S. pressings from Columbia Records' three plants — located in Santa Maria, CA; Terre Haute, IN; and Pitman, NJ — which were in operation during the 1970s. This effort might have helped fellow collectors identify individual vinyl copies and shed further light on pressing variations (see 05/21/2017). These two posts have remained among the most-read entries on this blog. Still, as any collector knows, an effort like this is never truly finished. There's always more to uncover, and the work goes on.