Hello, I am trying to reference a raster map from USGS in Wyoming, and on it there are only a Grid and some coordinates. I don't know the projection, so I would like to use the grid to project my raster. Here is a screenshot of a part of that raster. Unfortunately, I am not able to find what this grid correspond to... Does anyone has a referenced shapefile of this grid or is able to tell me where I could find it?` Many thanks! Pierre
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