The address is:
Oak Grove Animal Sanctuary
409 Village St.
Hillsborough, NC 27278
I asked my Mom if she would like to send a dollar and she said,"Can I send five dollars?"
I gave her a stamped and addressed envelope and knowing my Mom, she sent at least that much.
By the way - the link will lead you to payment by credit card or paypal, but cash or check is OK too, I checked.