Henricks Outdoors is built on other people's good work: public data, open-source software, and open fonts and icons. Here is where each piece comes from and the license it's used under.
Data sources
- Alabama Department of Conservation and Natural Resources
- Alaska Department of Fish and Game
- Arizona Game and Fish Department
- Arkansas Game and Fish Commission
- California Department of Fish and Wildlife
- Central Oregon Avalanche Center
- Central Oregon Avalanche Center: Forecasts
- Colorado Parks and Wildlife
- Columbia River Gorge National Scenic Area: Current conditions
- Columbia River Gorge National Scenic Area: Dog Mountain Trailhead
- Columbia River Gorge National Scenic Area: Multnomah Falls
- Crater Lake National Park: Fees and passes
- CT DEEP
- DC Department of Energy & Environment
- Delaware Division of Fish & Wildlife
- Deschutes National Forest: Current conditions
- Discover Pass: What is the Discover Pass?
- Discover Pass: When you don't need a pass
- Exposure Table for Lunar Eclipse Photography, Fred Espenak (via NASA's Eclipse Photography page)
- Florida Fish and Wildlife Conservation Commission
- Georgia DNR Wildlife Resources
- Gifford Pinchot National Forest: Current conditions
- Gifford Pinchot National Forest: Mount St. Helens summit
- Hawaii Division of Aquatic Resources
- Idaho Fish and Game
- Illinois DNR
- Indiana DNR
- Iowa DNR
- Kansas Department of Wildlife and Parks
- Kentucky Department of Fish & Wildlife
- Louisiana Department of Wildlife and Fisheries
- Maine Department of Inland Fisheries & Wildlife
- Maryland DNR
- MassWildlife
- Michigan DNR
- Minnesota DNR
- Mississippi Department of Wildlife, Fisheries, and Parks
- Missouri Department of Conservation
- Montana Fish, Wildlife & Parks
- Mount Baker-Snoqualmie National Forest: Current conditions
- Mount Rainier National Park: Fees and passes
- Mount Rainier National Park: Wilderness permits
- Mt. Hood National Forest: Current conditions
- National Park Service: America the Beautiful passes
- National Park Service: Mount Rainier alerts and conditions
- National Weather Service
- National Weather Service API (api.weather.gov)
- NC Wildlife Resources Commission
- Nebraska Game and Parks
- Nevada Department of Wildlife
- New Mexico Department of Game and Fish
- NH Fish and Game
- NJ Division of Fish and Wildlife
- North Cascades National Park: Backcountry reservations
- North Dakota Game and Fish
- Northwest Avalanche Center
- Northwest Avalanche Center: All forecasts
- NYS DEC
- Ohio Division of Wildlife
- Okanogan-Wenatchee National Forest: Enchantments overnight permits
- Oklahoma Department of Wildlife Conservation
- Olympic National Park: Fees and passes
- Olympic National Park: Wilderness backpacking reservations
- Oregon Department of Fish and Wildlife
- Oregon DMV: Sno-Park parking permits
- Oregon State Parks: Day-use parking permits
- Oregon State Parks: Reserve
- Pennsylvania Fish and Boat Commission
- Recreation.gov: Tips for making campsite reservations
- RI DEM
- SCDNR
- South Dakota GFP
- SunCalc
- Tennessee Wildlife Resources Agency
- Texas Parks and Wildlife
- U.S. Census Bureau city and town population estimates (Vintage 2025)
- U.S. Census Bureau Gazetteer Files: Places (2026)
- USDA FoodData Central
- USDA Forest Service, Pacific Northwest Region: Passes
- USGS 3D Elevation Program (Elevation Point Query Service)
- USGS GNIS Domestic Names
- USGS Protected Areas Database of the United States (PAD-US 4.1)
- USGS Water Data APIs (OGC API)
- USGS Water Data Statistics API
- Utah Division of Wildlife Resources
- Vermont Fish & Wildlife
- Virginia DWR
- Washington Department of Fish and Wildlife
- Washington Department of Fish and Wildlife: Parking and access passes
- Washington State Parks: Beebe Bridge reservations for 2027 (booking times)
- Washington State Parks: Making reservations
- Washington State Parks: Sno-Park permits
- West Virginia DNR
- Willamette National Forest: Central Cascades Wilderness permits
- Wisconsin DNR
- Wyoming Game and Fish
Maps
Fonts
Icons
Photography
- Earth's Moon (PIA00405), Galileo, NASA/JPL/USGS
- Henricks Outdoors photography
- Total lunar eclipse, 14 March 2025, NASA/Jordan Cochran, NASA Glenn Research Center
Software
Spot something missing or wrong? Let us know through the contact page.