fraeon
Films
BrowseTop 250
Series
TV ShowsAnimeTop 250 TVTop 100 Anime
Games
BrowseTop 100
Books
BooksMangaTop 125 BooksTop 100 Manga
For youTrendingTier ListsThe ArchiveLeaderboard
Log inSign up free
fraeon

Everything you watch, play and read — tracked, rated and remembered in one library.

Explore

  • Films
  • TV
  • Anime
  • Games
  • Books
  • Manga

Discover

  • Trending
  • Leaderboard
  • Find people
  • Lists
  • Tier lists

Company

  • Tour
  • About
  • Community guidelines
  • Privacy
  • Terms
  • Contact

© 2026 fraeon. All rights reserved. ·

Metadata from TMDB, RAWG, Jikan & Open Library. This product uses the TMDB API but is not endorsed or certified by TMDB.

Questions or ideas? mehmet@avortas.com

HomeFeedProfile

Books · Search

Books by R. E. Riggins

Watershed planning and analysis in action

Watershed management · Congresses

Watershed planning and analysis in action

R. E. Riggins

1990

Specification writing · Construction contracts

Environmental protection guidelines for construction contract specification writers

R. E. Riggins

1975

Water quality

Quantitative assessment of environmental impacts in the aquatic environment

R. E. Riggins

1981

Information storage and retrieval systems · Ecology

Environmental information acquisition and maintenance techniques

R. E. Riggins

1980

Aquatic biology

Aquatic Rational Threshold Value (RTV) concepts for Army environmental impact assessment

R. E. Riggins

1979