In 1873, the US Congress passed the Timber Culture Act, granting up to 160 acres to any head of a family willing to plant and keep 40 acres of trees…
![Looking out from inside the entrance of the Umm Jirsan lava tube cave.](https://static.majalla.com/styles/760x533/public/2024-07/174566.jpeg?h=980be8a6)
In 1873, the US Congress passed the Timber Culture Act, granting up to 160 acres to any head of a family willing to plant and keep 40 acres of trees…