[Qgis-user] Unable to find the write projection to make my map layers line up

[Matthew Hartzell]

Hello everybody,

This is my first time using this forum/mailing list. Please forgive me if
I'm doing anything wrong...

*QGIS version:* 3.12
*OS: *Mac 12.1

*Problem:*
I am trying to project a map containing parcel boundaries (vector) and
orthoimagery (raster) to match the projection used by a set of engineering
drawings so that I can line my map layers up to match the engineering
drawings.

The engineer who made the engineering drawings told me that the projection
she used was:

   - *NAD83 (NSRS2011), CA State Plane Zone III, U.S. Survey Feet*


I cannot find this precise projection in QGIS’s list of projections.
However, I tried the following projections, and none of them worked (that
is, none of them projected my map layers in a way that lines up with the
engineering drawings as expected):

   - *NAD83 / California zone 3 (EPSG: 26943)*
   - *NAD83 / California zone 3 (ftUS) (EPSG: 2227)*
   - *NAD83(2011) / California zone 3 (EPSG: 6419)*
   - *NAD83(2011) / California zone 3 (ftUS) (EPSG: 6420)*
   - *NAD83(HARN) / California zone 3 (EPSG: 2768)*
   - *NAD83(HARN) / California zone 3 (ftUS) (EPSG: 2872)*
   - *NAD83(NSRS2007) / California zone 3 (EPSG: 3493)*
   - *NAD83(NSRS2007) / California zone 3 (ftUS) (EPSG: 3494)*
   - *NAD_1983_HARN_StatePlane_California_III_FIPS_0403 (EPSG: 102243)*
   - *NAD_1983_StatePlane_California_III_FIPS_0403_Feet (EPSG: 102643)*


What am I doing wrong?

Which projection should I be using in QGIS so that my map layers line up
with the projection “NAD83 (NSRS2011), CA State Plane Zone III, U.S. Survey
Feet”?

Thank you

Matt
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