Here is the full print of the Osprey Union magazine: https://psv4.userapi.com/s/v1/d/akly8dOWF1uMHfZ-1-oZ49b20JorZpmG9i0plVNOW8AhB6kRh2UxxCEQ0NgMBaqe6FcSZTzxmItXgArjFOat6L0NuyLW8JecMghrweeUBOkWm49U/American_Civil_War_Armies_2_-_Union_Troops.pdf

Sadly, I could not find any more detail on the cavalry itself, but I found a lot of magazines on different US regiment, from sharpshooters, to Irish brigades