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Ashley
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Transforming Datum in Lat/Long to Projection in Feet

I am having issues projecting my csv file I have imported in lat/long to our state government-standard projection (EPSG 102121 NAD 1983 Michigan GeoRef (feet)), which is based on Oblique Mercator.

When I pull in the csv, I load the lat/long points, I select 'EPSG 102121- NAD 1983 Michigan GeoRef Feet US' for the "Geometry CRS". When converted to points, the layer misaligns with others in the same projection. My points are still in lat/long, but the other layers have been successfully reprojected to feet.

How do I transform the lat/long points to be reprojected in feet in QGIS? I understand it is still a datum at this point, and that another step is needed, but I guess I assumed since the NAD 1983 MI GeoRef is based on Oblique Mercator, the projection was built in or something.

Is there a step I am missing that requires the geometries of the lat/long to be recalculated in feet? I've only had this issue working with csv files, and it's frustrating.