There's a pretty good show on life during the era, one of the jobs they feature is people scowering the shit in the streets to find dog shit because it has different useful properties than horse shit.
https://www.youtube.com/watch?v=YIjBywdLcgI&list=PL72jhKwank...
Wow. Should have just made a deal with the dog owners lol.
https://www.google.com/amp/pictorial.jezebel.com/some-fun-na...