Logan Simpson is a natural resource-based environmental planning, community planning, and landscape architecture firm headquartered in Tempe, Arizona. We serve clients throughout the West and as far away as Florida. Logan Simpson offers a wide range of services that include NEPA planning, biology, cultural resources, Clean Water Act permitting, visual resource analysis, community planning, and landscape architecture, and has a broad portfolio of projects for local, state, tribal, federal agencies, private developers, and energy providers. 

We are also certified as a woman-owned business by the Women's Business Enterprise Council and are designated as a federal small business for cultural resources services. We hold GSA contract GS-10F-0063P in addition to numerous blanket purchase agreements, IDIQ, and on-call contracts. 

For more information, visit us at www.logansimpson.com. 
Linktree: https://linktr.ee/logansimpson

Natural Resources

Logan Simpson

Diane Simpson-Colebank

Senior Archaeologist / Project Manager

Lynne Coburn

Wayne Steffan

The GIS and Environmental Planning Team at Logan Simpson specializes in integrating Geographic Information Systems (GIS) with environmental planning to support a diverse range of projects. This team maps and analyzes spatial data, assesses environmental impacts, ensures regulatory compliance, and develops planning strategies to aid in sustainable development for local, state, tribal, and federal agencies, private developers, and energy providers across the Western United States and beyond. Their expertise supports services such as NEPA planning, cultural resource assessment, and Clean Water Act permitting.

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GIS and Environmental Planning Team

About

Team members

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GIS and Environmental Planning Team

About

Team members

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