Explore & Download All Collector Cards
Browse our ever-growing list of collector cards featuring a huge variety of careers in the Forest Service. Download and print collector cards and posters for free.

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Tamara Heartsill Scalley, Ecologist
- Ph.D., Utah State University
- USDA Forest Service Scientist
- An ecologist studies the dynamics and interactions between the environment and its organisms. I conduct research on tropical forests, watersheds, and streams.
- Ph.D., Utah State University
- USDA Forest Service Scientist
- An ecologist studies the dynamics and interactions between the environment and its organisms. I conduct research on tropical forests, watersheds, and streams.
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Dan Neary, Soil Scientist & Hydrologist
- Ph.D., Michigan State University
- USDA Forest Service Scientist
- A soil scientist studies the physical, chemical, and biological aspects of soils, how they are classified, how they function, and how water moves through them. A hydrologist studies all the aspects of the quantity and quality of water cycle from precipitation to streamflow to groundwater.
- Ph.D., Michigan State University
- USDA Forest Service Scientist
- A soil scientist studies the physical, chemical, and biological aspects of soils, how they are classified, how they function, and how water moves through them. A hydrologist studies all the aspects of the quantity and quality of water cycle from precipitation to streamflow to groundwater.
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Dr. Rich MacKenzie, Aquatic Ecologist
- University of Wisconsin at Milwaukee
- USDA Forest Service Scientist
- An aquatic ecologist studies plants and animals that live in streams, lakes, and wetlands. We try to understand the roles these organisms play in aquatic ecosystems and how stressors such as land use change, climate change, and exotic species influence those roles.
- University of Wisconsin at Milwaukee
- USDA Forest Service Scientist
- An aquatic ecologist studies plants and animals that live in streams, lakes, and wetlands. We try to understand the roles these organisms play in aquatic ecosystems and how stressors such as land use change, climate change, and exotic species influence those roles.
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Charles Luce, Hydrologist
- Ph.D., Utah State University
- USDA Forest Service Scientist
- Hydrologists study how water moves around the world, whether as streamflow, groundwater, precipitation, or transpiration. Water is important to all life.
- Ph.D., Utah State University
- USDA Forest Service Scientist
- Hydrologists study how water moves around the world, whether as streamflow, groundwater, precipitation, or transpiration. Water is important to all life.
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Jonathan Long, Ecologist
- Ph.D., Northern Arizona University
- USDA Forest Service Scientist
- I seek to understand how different parts of an ecosystem, such as plants, rocks, water, and human uses, interact and change. My research strives to help people take care of their environment, especially after damaging events.
- Ph.D., Northern Arizona University
- USDA Forest Service Scientist
- I seek to understand how different parts of an ecosystem, such as plants, rocks, water, and human uses, interact and change. My research strives to help people take care of their environment, especially after damaging events.
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Stephanie Laseter, Hydrologist
- M.S., University of Georgia
- USDA Forest Service Scientist
- A forest hydrologist studies the water cycle. Where does water go after it falls as a raindrop? We study how it travels through a forest, into the soil, and eventually to a stream.
- M.S., University of Georgia
- USDA Forest Service Scientist
- A forest hydrologist studies the water cycle. Where does water go after it falls as a raindrop? We study how it travels through a forest, into the soil, and eventually to a stream.
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Sherri L. Johnson, Research Ecologist
- Ph.D., University of Oklahoma
- USDA Forest Service Scientist
- A research ecologist studies streams and lakes to explore both who lives in the water and how forestry and year to year climatic variability impact the water quality and water as habitat for biota.
- Ph.D., University of Oklahoma
- USDA Forest Service Scientist
- A research ecologist studies streams and lakes to explore both who lives in the water and how forestry and year to year climatic variability impact the water quality and water as habitat for biota.
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Adelaide (Di) Johnson, Hydrologist
- Ph.D. candidate, Portland State University
- USDA Forest Service Scientist
- As a hydrologist, I study water in streams, soils, and plants.
- Ph.D. candidate, Portland State University
- USDA Forest Service Scientist
- As a hydrologist, I study water in streams, soils, and plants.
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Joe Gurrieri, Hydrogeologist
- M.S., University of Connecticut
- USDA Forest Service Scientist
- A hydrogeologist is a person who studies the ways that groundwater (hydro) moves through the soil and rock of the earth (geology). Hydrogeologists evaluate the quantity, quality, reliablity, and sustainability of groundwater.
- M.S., University of Connecticut
- USDA Forest Service Scientist
- A hydrogeologist is a person who studies the ways that groundwater (hydro) moves through the soil and rock of the earth (geology). Hydrogeologists evaluate the quantity, quality, reliablity, and sustainability of groundwater.
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J.M. Grace III, Biological & Agricultural Engineer
- Ph.D., North Carolina State University
- USDA Forest Service Scientist
- As a biological and agricultural engineer, I explore, design, and study interactions among all aspects of biological systems.
- Ph.D., North Carolina State University
- USDA Forest Service Scientist
- As a biological and agricultural engineer, I explore, design, and study interactions among all aspects of biological systems.