Statute treatment: 40 C.F.R. § 1506

Ranked leading cases interpreting this statute, drawn from 13 citation events across 11 distinct cases.

13citations total

11distinct interpreting cases

8distinct courts

0citations in last 5y

1982–2008year range

Top 10 leading cases

#1 William Cronin v. United States Department of Agriculture (1990) ca7 132 own cites 1× in case

#2 Sierra Club v. James M. Sigler, Etc., Pelican Terminal Company and Galveston Wharves, Intervenors-Appellees (1983) ca5 119 own cites 1× in case

#3 Save Our Wetlands, Inc. v. Colonel Thomas Sands, Etc., (Two Cases) (1983) ca5 64 own cites 1× in case

#4 State of North Carolina Roanoke River Basin Association v. City of Virginia Beach (1992) ca4 53 own cites 1× in case

#5 Westlands Water Dist. v. US Dept. of Interior (1994) caed 41 own cites 1× in case

#6 Friends of La Vina v. County of Los Angeles (1991) calctapp 13 own cites 2× in case

#7 California v. Block (1982) ca9 308 own cites 1× in case

#8 County of Del Norte v. United States (1984) ca9 29 own cites 2× in case

#9 Northern Crawfish Frog v. Federal Highway Administration (1994) ksd 9 own cites 1× in case

#10 National Audubon Society v. Department of the Navy (2005) ca4 3 own cites 1× in case

Ranking method: leading_score = ln(1 + own_citation_count) × √(mentions_in_case) × flag_factor, where flag_factor = 1.0 green · 0.6 unknown · 0.5 neutral · 0.4 yellow · 0.3 procedural · 0 red. Red-flagged cases excluded — their interpretation has been undermined and shouldn't lead the list. Top 20 returned per statute. Open any case for full G Cite, trajectory, and per-circuit treatment.