# Concrete Nurse Logs: Spawning Biodiversity From Ballard's Century-old Locks

> master's thesis by Hillary Belle Pritchett, University of Washington, 2016

**Wikidata**: [Q110142637](https://www.wikidata.org/wiki/Q110142637)  
**Source**: https://4ort.xyz/entity/concrete-nurse-logs-spawning-biodiversity-from-ballard-s-century-old-locks