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Explanation of Map Numbering System
The system used to number the DeKalb History Center's
map collection follows these guidelines:
- There are two
map cases. One contains all maps organized by dates. The other
contains all oversized maps and any special collections of
maps in the DHC collection.
- All map numbers
have four parts divided by periods. The maps are ordered first
by date, then consecutively according to the other numbers
corresponding to pertinent information about the map.
- The first number
is the date that the map depicts. If that number is preceded
by "OS", then it is an oversized map and is in the
oversized map case. If that number is followed by the letter
"U", then a specific date could not be found and
that map could only be placed sometime within the stated decade.
For example, map 1900U.1.0.0 did not have a specific date,
however, this map could be placed some time in the 1900s.
- The second number,
after the first period, corresponds to the different number
of maps in the DHC collection with that same date. If a certain
map number is 1805.2.0.0, for example, then there are at least
two different maps in the collection dated 1800, and this
is the second.
- The third number,
after the second period, indicates whether or not there are
two or more original copies of the same map in the collection.
The number 1800.1.2.0 indicates that this map is the second
original, essentially the same map as 1800.1.1.0.
- The fourth number,
after the third period, indicates whether a certain map is
a photocopy of an original map, and the number of that photocopy.
If a map is numbered 1800.1.1.2, this indicates that the map
1800.1.1.0 has been photocopied, and that map 1800.1.1.2 is
the second photocopy of the original map in the collection.
Although
the numbering system may be confusing, the hope is that it will
afford a wealth of information about each map, and still allow
for consecutive chronological map organization. Please select
from the two MAP COLLECTION choices below:
> DeKalb County
Map Guide
>
DeKalb County Oversized Map Guide
Coley Stilz > Emory University senior and DHC Intern > Fall
1999
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