Google.Co.Uk 

So Far There Are Two Maps Below Is The Information On Both Maps And Pokemon You Find There.

Route 1:

Pidgy, Zigzagoon, Bidoof, Starly, Furret, Shroomish, Poochyena, Ratatta, Taillow, And Sentret Are Found On The First Section Of Grass Land.

Pichu, Mankey, Pachirisu And Meowth Are Found On The Second Section Of Grass Land.

Geodude, Zubat And Diglet Are Found On Both Cliffs The Bottom And Top One.

Corsola, Tentacool, Magikarp, Hippopotas, Finneon And Relicanth Are Found On The Part Sticking In Near The Lake.

Hoppip, Pineco, Yanma, Weedle And Farfetch'd Are Found On The Grass Patch Near The Lake.

Trapinch, Venonat And Natu Are All Found On The Bottom Patch Of Grass. 

Route 2:

(Note... Only The First Grass Patch Has Been Coded So You Are Unable To Go Past The First Patch Of Grass)

Shinx, Abra, Phanphy And Gastly Are All Found On The First Grass Patch Of Route 2