From my travel journal: Thursday 7 April, 10.50 pm
I was right about the oil wells. Just across the border we went through hundreds of little wells, pumps bobbing up and down. Lots more wide flat grassy plains (prairies, I suppose?). Where they’re farmed they’re quite colourful – intensely red soil where they’ve been ploughing, green where it’s irrigated (the same huge irrigators we…