It is an estimate that 3,000 people worked on the underground railroad.
If somebody down south discovered it...dont u think they would have put a stop to it ....its common sense and the Southern white ppl were not supposed to know
Bedouins get water from oases and underground aquifers.
They built aqueducts, some above ground and many underground, in order to carry water where it was needed.They built aqueducts, some above ground and many underground, in order to carry water where it was needed.They built aqueducts, some above ground and many underground, in order to carry water where it was needed.They built aqueducts, some above ground and many underground, in order to carry water where it was needed.They built aqueducts, some above ground and many underground, in order to carry water where it was needed.They built aqueducts, some above ground and many underground, in order to carry water where it was needed.They built aqueducts, some above ground and many underground, in order to carry water where it was needed.They built aqueducts, some above ground and many underground, in order to carry water where it was needed.They built aqueducts, some above ground and many underground, in order to carry water where it was needed.
... :) White people
Underground water can be used for future purpose. Hence, it is important for people.
This is a prehistoric observation.
they pump underground water to the surface
Underground water is called underground water, because it is "underground" not because it is fresh or salt. You can have underground salt water reservoirs just like you can have fresh water ones.
Underground water is called underground water, because it is "underground" not because it is fresh or salt. You can have underground salt water reservoirs just like you can have fresh water ones.
lakes and rivers and groundwater (underground)
Deep underground. And away from water and people
Underground water is cleaner.
The problem that will eventually arise if people in an area rely solely on underground water is that people could become sick. This is because the groundwater becomes polluted.
you know when there is water underground when you here the sound of water...(underground)...or see water on your lawn when there is no liquid to be found... : )
what is the upper surface of ground water
aquifers