Gold hand prints (and hoof prints????) Found at park (CLOSED)

I took my kids to out to Lincoln Park today (West Seattle) and they had stumbled across some rather interesting....Gold..(?) rocks following the trail of rocks on the ground it took me a minute to realise we were following hoof prints. Not a deers but like a cows or something. point is they were pretty big. After following them for a bit they lead us to the ol castle playground where we found one hand print near the big ol slide that feels like you're going underground. after about an hour we couldn't find anything else. we ended up leaving cause the park was about to close but if someone else wants to go take a look? I grabbed a couple of those golden rocks i'll be going to the pawn shop tomorrw to see if the gold is real (Here's hoping!)