Here is one option: https://www.usgs.gov/faqs/where-can-i-get-elevation-data?qt-news_science_products=7#qt-news_science_products https://www.usgs.gov/faqs/where

Here is one option: https://www.usgs.gov/faqs/where-can-i-get-elevation-data?qt-news_science_products=7#qt-news_science_products https://www.usgs.gov/faqs/where-can-i-get-elevation-data?qt-...