Nolde - who arrived there in 1893, not long after the amir had by his victory over the combined forces of Riad and Kasim brought the whole of Nejd under his dominion.
Nolde crossed the Nafud to Haiyania by 'a more direct track than that from Shakik to Jubba.
The amir was away from his capital settling the affairs of his newly acquired territory; Nolde therefore, after a short halt at Hail, journeyed on to Ibn Rashid's camp somewhere in the neighbourhood of Shakra.
Aja, and contained at the time of Nolde's visit in 1893 about 12,000 inhabitants.
Nolde states that on the 1st of February 1893 in the desert north of Hail the thermometer fell from 78° a little before sunset to 18° a quarter of an hour after.