Merestone: Protected Areas

Merestone: Protected Areas

Critical habitat and wetlands

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Free
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Released
September 1, 2026
Updated
October 31, 2026

Features

Merestone: Protected Areas screenshot #1 for iPhone
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About

Merestone runs the constraints check of an environmental desktop review: drop a pin, set a radius, get results by distance and direction and a dated PDF with sources and licenses, on iPhone, iPad and Mac. Not a field survey, a wetland delineation, an IPaC official species list or an agency determination. UNITED STATES Free, with a 250 m search: PAD-US protected and conserved lands, National Wildlife Refuge System boundaries, and FWS wilderness and proposed wilderness. With a purchase or subscription, for NEPA screening, Section 7 consultation prep and the environmental setting of a Phase I ESA: • ESA critical habitat, final and proposed (FWS, NOAA Fisheries); listed species ranges (EPA snapshot) • NWI wetlands and deepwater habitats, a first look before delineation • FEMA flood zones in Washington, DC (SFHA and 0.2% annual chance) with DC's modeled rain scenarios; a Massachusetts NFHL snapshot of uncertain date • California Fire Hazard Severity Zones (SRA effective 2024, LRA recommended 2025); MTBS burned areas 2024 • National Register of Historic Places, EPA Superfund site boundaries, sole source aquifers • Federal lands: NPS, National Forests, roadless areas, BLM wilderness and WSAs, ACECs, Wild and Scenic Rivers, surface management agency, PLSS • Water: NHD streams and waterbodies, HUC-12 subwatersheds, EPA ATTAINS assessed waters • National marine sanctuaries, state MPAs, West Coast EFH and HAPCs • USGS geology and Quaternary faults; SSURGO soils and NLCD land cover (map images) • American Indian and Alaska Native lands (BIA), and more in the app WGS84 UTM coordinates; app and PDF report in English. US layers need an internet connection. CANADA AND MEXICO Canada: CPCAD and BC provincial parks free; SARA critical habitat, DFO aquatic species at risk, wetlands and provincial layers with a purchase. National Canadian layers need a connection. New: Mexico. Federal ANP, certified ADVC and Ramsar sites free; CONABIO mangroves, CONAGUA aquifers, SGM geology and INEGI land use, soil and basin maps (map images) with a purchase. App and report in Latin American Spanish on Mexican devices. United States · Canada · Mexico · Brazil · United Kingdom · Ireland · France · Belgium · Netherlands · Luxembourg · Germany · Austria · Switzerland · Liechtenstein · Italy · Malta · Spain · Portugal · Norway · Sweden · Finland · Denmark · Iceland · Estonia · Latvia · Lithuania · Poland · Czechia · Slovakia · Hungary · Slovenia · Croatia · Romania · Bulgaria · Greece · Cyprus · Australia · New Zealand · Japan · Hong Kong Some protected areas are free in every country and region; other layers come with a purchase. New: Japan and Hong Kong, in Japanese and Traditional Chinese. BUYING Merestone Worldwide is a subscription to every country and region, including any added later. A free 7-day gift unlocks them all once, with no renewal and nothing to cancel. Or buy a country, region or bundle once in the app (North America: United States, Canada and Mexico). Free: a set of protected areas everywhere, with a 250 m search. PDF export, the wider radius and offline downloads of eligible layers need a purchase or subscription; US, national Canadian and Swiss layers work online only. Merestone is independent of agencies. DATA AND LIMITS Public records are incomplete and may withhold sensitive species; empty is not proof of absence. Map-image layers cannot be downloaded or radius-searched. Not in the app yet: nationwide FEMA flood zones (DC and the Massachusetts snapshot only), state Natural Heritage records. Confirm the official record before relying on it. TERMS OF USE https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://leonfigueira.github.io/fieldmark-site/privacy.html
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What's New in Merestone

2.13.0

October 31, 2026

Brazil is here, with the app and its reports in Brazilian Portuguese. Conservation units, Indigenous lands and Ramsar sites are free; PRODES deforestation, ANA's rivers and dams, geological hazards and mining come with a purchase or subscription. Latvia now shows cadastral parcels. Small fixes.

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Subscriptions & In-App Purchases

$14.99

Merestone Pro Brazil

Brazilian layers, radius search and PDF reports

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