-Date is unspecified or unknown.
Title assigned by Author
1999.04.0320 was probably a rough draft of this one- same information but much nicer and additional info- center line of track Oct 23- 1920- Profile of Line "D" April 16 - 1921- Scales different than above
Size of document (HxW)
056 x 083 cm
00 - Location not specified.
Notes on Verso
L-33- New Cross Section & Profile of Slide- April 14 - 1921