Zak,
I don’t believe those are Zs. Rather, they are 2s. The larger 2 indicates that it is a 2 story building while the others represent 22 feet in height. Notice that the buildings around it indicate the number of stories and heights. The
building in question is on a correction slip, so a different person probably drew it compared to the original map or other correction slips. I will also add that a review of the Sanborn Surveyor Manual abbreviations list has no “Z” in it.
Happy Researching.
David
David Hodnefield
President
952-253-2004
Historical Information Gatherers (HIG)
From: Maps-L: Map Librarians, etc. <[log in to unmask]>
On Behalf Of Zak Rudzki
Sent: Wednesday, July 6, 2022 8:55 AM
To: [log in to unmask]
Subject: Sanborn Map Assistance (Unknown Symbol)
Hello All - I was hoping to get some assistance with interpreting a symbol/marking on a Sanborn Map. In the red circled area there is an S for storefront but there is an additional “Z z z” marking as well. See
attached PDF or
Link.
I cannot find any glosseries or map keys that include "Z". It’s our belief that each "Z" indicates separate sleeping quarters but we’re hoping someone else might be able to corroborate that or correct us.
Any and all help is greatly appreciated!
Thank you,
Zak
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