I was playing an England game to hunt down that achievement for a city on all continents, and through some opportunistic colonialism friendly Royal Navy tourism acquired this city from Eleanor: Spoiler : 5, count 'em - Five- oil deposits in this airfield outpost. This got me extremely excited since with the card + Corp. Libertarianism, Montpellier is pumping 25 units of oil. Then I remembered how civ5 had the mix of big and small deposits. I think most resources were 2 or 8 per deposit, with oil being 2 or 6; and uranium was less, iirc 2 or 4. But this meant some oil fields or what have you were extremely valuable and thus top priority. The right city could support an entire army of tanks or bombers. The constraints of civ6's fuel system really make me yearn for having these bigger deposits around. I know we get bang for our buck with corps/armies, but I always feel so constrained with oil/aluminum I barely feel like I have choices. Which do you prefer? Why?