prior to the 1970s vs before the 1970s

Some examples from the web:

• For older (prior to the 1970s) records, and for property surveys and other property-related files not available at the Permitting office, see other records ...
• Sep 17, 2022 ... Obesity was actually uncommon prior to the 1970s.
• Jan 20, 2025 ... In the United States, prior to the 1970s, it was common for women to be required to have a male co-signer, often their husband or father, ...
• Although women have flown since 1908, nearly all of them were restricted to general aviation, i.e. private planes, or support jobs, (prior to the 1970s) and our ...
• Interpretive Summary: The importance of fish health studies prior to the 1970s is largely ignored by U.S. fish health investigators. This is because todays ...

Some examples from the web:

• May 28, 2013 ... It turns out that before the 1970s, an American woman could not: Keep her job if she was pregnant OR have a legal abortion in most states.
• Oct 23, 2021 ... Lead Paint and Asbestos: Homes built before the 1970s might contain lead paint and asbestos. While a renovation can address these issues ...
• Oct 22, 2023 ... Random interesting thing I'm learning… at and before the 1970s-80s the big moving/high motion Cartujano horses were very popular in Spain, ...
• Nov 29, 2013 ... Curious to find any heavier band for its time before the 1970s/1960s such as a band in the 50s with a more rock or metal sound even that is likely obscure.
• Aug 15, 2021 ... My father was a keen amateur photographer from the 1930s onward. As far as I can discover his only colour photographs before the 1970s were ...
• Jun 14, 2022 ... ... before the 1970s began. Next, students engage in an engagement activity, where they view seven video clips that detail various aspects of ...
• May 23, 2018 ... Did airports have security checks before the 1970s? · 2. You're not getting any answers because no one can remember the 60's. ;-) · I met people ...