Copious springs are found where there are mines of gold, silver, iron, copper, lead, and the like, but they are very harmful. - Vitruvius

Altars should face the east, and should always be placed on a lower level than are the statues in the temples, so that those who are praying and sacrificing may look upwards towards the divinity.

The cedar and the juniper tree have the same uses and good qualities... from the cedar is produced an oil called cedar oil. Books as well as other things smeared with this are not hurt by worms or decay. ...the grain of the wood is straight. The statue of Diana in the temple at Ephesus is made of it, and so are the coffered ceilings both there and in all other famous fanes, because that wood is everlasting.

The construction of temples of the Ionic order to Juno, Diana, Father Bacchus, and the other gods of that kind, will be in keeping with the middle position which they hold; for the building of such will be an appropriate combination of the severity of the Doric and the delicacy of the Corinthian.