['oil_fields'] = {
    coords = vector3(480.8108520507813, 645.7635498046875, 115.76087951660156),
    radius = 60.0,
    -- IMPORTANT, it must be the total sum of the entities in the population
    targetPop = 41,
    population = {
        ['infect1'] = 30,
        ['gunslinger'] = 11,
    },
    -- Cooldown for (re)spawn in seconds
    spawnCooldown = 1800
},