BrunoMcGee, 10 months ago @helenczerski Philip Acton Barker was a researcher in the US Forest Service. Some of his research focused on tree root interactions with hardscape. He published in various journals. Can try queries in the Treesearch database of the USFS.
@helenczerski Philip Acton Barker was a researcher in the US Forest Service. Some of his research focused on tree root interactions with hardscape. He published in various journals. Can try queries in the Treesearch database of the USFS.