O.K. here are a couple of versions of a picture with lots of detail.
Shot at iso200, 1/100s, f/9, 200mm, sRGB.
First straight out of the camera after conversion from RAW using ACR, no corrections at all:
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Now the same shot after applying USM 100,5,2, but no other adjustments:
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This was shot at 2pm on a partly cloudy, hazy day, so not the best lighting.
I'll try again late this afternoon.