keep digging until the secret entrance appears .
she is in the treasure room in the Digadig ruins
in the digdamid on the 4th floor
go to the right go in between the 2 poles and press a
it's in between the two bones in the corner of the room. just dig there and you'll find a secret passage way.
It is on the Third floor
In Fossil Fighters, the Fossil Cannon is obtained by talking to the cleaning room supervisor in the Vivosaur cleaning room after completing the main story. You'll need a certain number of stickers to unlock the Fossil Cannon, which allows you to clean fossils more efficiently.
On the right side of the room there are two sets of bones, use your picax in between them!!! Hope it helps:)
you buy him from the donation-point host in the fossil cleaning room for 200DP each fossil, 100% chance red boned fossil.
You go to the elevator on the left and is the first room when you walk off the elevator
You can either go to the area where you travel and you can see a computer there. You can also check it at your hotel room from the computer and finally the place where you clean the fossils. Enter turn left and there
Nevada hangs out in the last room of the Digadigamid. She's hard to miss.
you get the last legendary fossil when you get all 100 vivosaurs at rank twelve and talk to the guy in the top left corner in the cleaning room then you get a chicken thing