{"source":"jobsjobsjobsapp.com","title":"Petroleum Engineer","city":"Des Moines","state":"IA","url":"https://jobsjobsjobsapp.com/data/salaries/petroleum-engineer/des-moines/","avg_salary":91600,"salary_min":20000,"salary_max":140000,"total_jobs":1,"salary_histogram":{"60000":5,"120000":9,"140000":9,"100000":7,"80000":11,"40000":9,"20000":2},"updated_at":"2026-04-18T04:30:21.552000"}