In the map, we can see the map of hydrological geological map of Tibet autonomous region, China.The scale of the map is 1:4500000.The descriptive datas of the map are water bearing rock group and its water rich degree, representative water points and various boundaries,etc.

1.Aquiferous rock group and its water richness

(1) Loose rock-like interstitial water-bearing rock group

(2) Clastic rock voids and water-bearing rock group:

①Clastic rock pore fracture water-bearing rock group

②Clastic rock type carbonate rock type water rock group

(3) Carbonate rock fracture karst aquifer group

(4) Magmatic rock fractured water-bearing rock group:

①Intrusive rock aquifer

②Water-jet rock type

(5) Metamorphic rock fractured water-bearing rock group

2.Representative water points

3.Various boundaries and other