Supervisor position?

I worked as a Unit supervisor in LTC for 3 years.
My duties were as follows:
1. If any abnormal situation came up I was to settle the problem or issue.
2. I passed Meds to 25 patients on the west wing & as soon as I had them done I had to pass meds to 26 patients on the East wing.
3. I did All wound & Peg tube care on those 51 patients after the med pass.
4. I followed the Dr. on rounds, Recorded , faxed, and Charted all new orders.
5. If an Admission came in I had to do the full body assesment and admission paper work and record it on the MARs myself.
6. I had to Chart on every one of the 51 patients I had that evening.
7. I had to ensure patients were actually offered, encouraged and recorded % of suppliments / snacks and meals.
8. I had to attend dinning room and feed patients.
And it was my decission wether or not dinning room was cancelled (usually Never)
9. I also had to monitor that CNAs charted I&Os, BMs, B/Ps and record the amounts / readings before my shift ended.
ALL AT THE SAME TIME, I HAD ALL THESE RESPONSIBILITIES.
I got paid the same as the nurses that only cared for 1/2 of each wing. I did 1/2 of both wings and the nastiest jobs they refused to do, not a one said thank you.
Worst of all I GOT NOT A CENT MORE FOR ALL THAT RESPONSIBILITY - My advice DON'T DO IT.