| 1 |
Enter the full
pathname of the file you have extracted from the LDS 1880 Census
National Index, or use the Browse button to locate the file on
your own PC.
For details on how to extract the data from the National Index CDs, click
here.
|
| 2 |
Select the way the
records will be aggregated. The LDS 1880 Census National Index lists the
Census State (where the person was on Census night) and Birth
State (where the person was born).
|
| 3 |
Check the
Population
Densities box to plot the population density instead of the number
of individuals per County. Population Density is calculated as follows:-
|
| |
Density
= Number of surnames in the County / Population of the County
|
| 4 |
Click Upload
to transfer the file to the webserver. Depending on the size of
the file, and the speed of the connection, this may take a few seconds
or a few minutes.
|
If your file is
larger than 300Kb and you are a Windows user, you should consider downloading
the Aggregation program and aggregating your National Index File on
your PC. The resulting Aggregated Distribution file is much
smaller, typically 2 - 10Kb.
|
