Datasets > Polygon data > United States > 1900-1949

Current Distributions of Selected Amphibians in the United States, 1941-2000

National Atlas of the United States · 1941 Full Details

Full Details

Title
Current Distributions of Selected Amphibians in the United States, 1941-2000
Description
This polygon shapefile portrays the distribution of 10 selected amphibians in the United States, based on historical literature and museum records from current and historical sources ranging from 1941 to 2000. This layer is part of the 1997-2014 edition of the National Atlas of the United States., These data are intended for geographic display and analysis at the national level, and for large regional areas. The data should be displayed and analyzed at scales appropriate for 1:2,000,000-scale data. No responsibility is assumed by the National Atlas of the United States in the use of these data., None. Acknowledgment of the primary sources used to acquire these data and (or) the National Atlas of the United States of America is appreciated in products derived from these data., This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
Creator
Lannoo, Michael J., Blackburn, Laura, Nanjappa, Priya
Publisher
National Atlas of the United States
Subject
Mudpuppies, Salamanders, Toads, Frogs, Hylidae, Newts, Amphibians, Biogeography, Spring peeper, Salamandridae, Necturus maculosus, American toad, Plethodon cinereus, Proteidae, Northern two-lined salamander, Northern cricket frog, Notophthalmus viridescens, Cricket frogs, Hyla versicolor, Lungless salamanders, Sirenidae, Bufonidae, Biology and Ecology
Temporal Coverage
1941-2000
Date Issued
2002
Rights
This item is in the public domain. There are no restrictions on use.
Rights Holder
This work is in the Public Domain, meaning that it is not subject to copyright.
Access Rights
Public
Format
Shapefile
Language
English
Date Added
October 01, 2025

Location

Cite and Reference

  • Citation
    Lannoo, Michael J., Blackburn, Laura, Nanjappa, Priya (2002). Current Distributions of Selected Amphibians in the United States, 1941-2000. National Atlas of the United States. (dataset)
  • BTAA Geoportal Link

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