Full details from the 1950 U.S. Census were released earlier this month, intriguing historians from around the country and providing a snapshot of the people who called the Chilkat Valley home more than seven decades ago.

While the federal government makes public population statistics and demographic data upon completion of each decennial census, the specifics — individual names, ages, gender, race, professions, incomes and more — must be kept secret for 72 years under federal law.