Pretty_little_liars_3x06 -

: Spencer realizes the blueprint is dated months before the construction of that wing actually began.

Here is why that specific piece of paper was so significant: Pretty_little_liars_3x06

In the Pretty Little Liars episode "The Remains of the 'A'" (Season 3, Episode 06), the "interesting paper" most likely refers to the found by Hanna and Spencer . : Spencer realizes the blueprint is dated months

: While searching through a box of Toby’s things at the Apple Rose Grille, the girls find a blueprint for the "East Wing" of Radley. Pretty_little_liars_3x06

Another notable paper trail in this episode involves the Hanna finds in Wilden’s car, which places him in a different location than he claimed during the time of the "remains" discovery.