Agricultural data is highly seasonal. If you are tracking hay prices, compare the same months (e.g., October) across different years.
Tip: Use the MDAH advanced search feature to look for "Market Bulletin" under electronic records. Why Search Past Issues?
For issues older than a decade, physical and microfilmed copies are preserved in institutional repositories:
Navigate to the Market Bulletin section on the official MDAC portal and look for the "Archives" or "Past Issues" tab. 2. State Libraries and Universities (For Deep History)