What is the title of a book with a parody of archeology in a modern day motel room?

Question

I read it as a child back in the 1980's and I remember one part describing the ceremonial value of the toilet since it was sealed with a paper strip. Does that ring a bell with anyone else?

Answer 1

Would it be this, perhaps; it was written in 1979 - see link below, please.

Answer 2

It's called Motel of the Mysteries. It's by David Macauley.

Answer 3

are you thinking of this?

http://www.msu.edu/~jdowell/miner.html