eCFR Analyzer

Bureau of Land Management (BLM)

705,165Words in 117 parts
13.2Restriction density (per 1,000 words)
18.4Reading grade
80.3%Unchanged since 2017
14Flagged parts
2026-06-29Last change

Section changes per year

From the eCFR versioner, for the parts that the agency owns now. Before 2017 is the baseline load.

Text and size

Sentences
33.6 words on average; 26.9% over 40 words; 32.3% passive; 14.0 cross-references per 1,000 words
Sentence types
definition 5.7% · prohibition 2.7% · paperwork 9.1% · obligation 23.0% · permission 13.2% · other 46.3%
Checksum
64aa84b834b10ada0e3dcbfb31628a923344f740e3714f1f5aaf06a11c82f583

Review candidates in this agency

RankPartWordsScore
55 top 10% 43 CFR 2300 LAND WITHDRAWALS
High signals: Paperwork share +2.9 SD · Directive share +1.6 SD · Restriction density +1.1 SD
10,229 1.31
62 top 10% 43 CFR 3470 COAL MANAGEMENT PROVISIONS AND LIMITATIONS
High signals: Directive share +2.5 SD · Paperwork share +2.3 SD · Restriction density +1.2 SD
8,295 1.29
63 top 10% 43 CFR 3450 MANAGEMENT OF EXISTING LEASES
High signals: Directive share +3.0 SD · Paperwork share +2.3 SD · Restriction density +2.0 SD
2,873 1.29
74 top 10% 43 CFR 3740 PUBLIC LAW 585; MULTIPLE MINERAL DEVELOPMENT
High signals: Paperwork share +2.3 SD · Reading grade +2.2 SD · Directive share +1.1 SD
4,451 1.23
109 top 10% 43 CFR 2720 CONVEYANCE OF FEDERALLY-OWNED MINERAL INTERESTS
High signals: Paperwork share +2.6 SD · Directive share +1.4 SD · Restriction density +1.3 SD · Reading grade +1.2 SD
2,934 1.12
143 top 10% 43 CFR 3420 COMPETITIVE LEASING
High signals: Directive share +2.1 SD · Restriction density +1.5 SD · Paperwork share +1.0 SD
11,863 1.06
158 top 10% 43 CFR 3835 WAIVERS FROM ANNUAL MAINTENANCE FEES
High signals: Paperwork share +3.9 SD · Directive share +1.2 SD · Restriction density +1.2 SD
3,254 1.05
306 top 10% 43 CFR 3430 NONCOMPETITIVE LEASES
High signals: Directive share +1.4 SD · Paperwork share +1.1 SD · Restriction density +1.1 SD
9,371 0.88
314 top 10% 43 CFR 2650 ALASKA NATIVE SELECTIONS
High signals: Directive share +1.4 SD · Restriction density +1.4 SD
19,030 0.88
381 top 10% 43 CFR 3410 EXPLORATION LICENSES
High signals: Directive share +1.9 SD · Restriction density +1.7 SD · Paperwork share +1.3 SD
2,326 0.83
450 top 10% 43 CFR 3280 GEOTHERMAL RESOURCES UNIT AGREEMENTS
High signals: Reading grade +1.7 SD
15,407 0.79
583 top 10% 43 CFR 5440 CONDUCT OF SALES
High signals: Directive share +2.0 SD · Paperwork share +1.9 SD · Restriction density +1.8 SD
1,667 0.73
599 top 10% 43 CFR 3590 SOLID MINERALS (OTHER THAN COAL) EXPLORATION AND MINING OPERATIONS
High signals: Restriction density +1.7 SD · Directive share +1.4 SD
5,567 0.72
609 top 10% 43 CFR 3480 COAL EXPLORATION AND MINING OPERATIONS RULES
High signals: Directive share +1.0 SD
17,364 0.72
653 43 CFR 2810 TRAMROADS AND LOGGING ROADS
High signals: Reading grade +1.5 SD · Directive share +1.0 SD
10,355 0.70
677 43 CFR 3730 PUBLIC LAW 359; MINING IN POWERSITE WITHDRAWALS: GENERAL
High signals: Reading grade +1.6 SD · Directive share +1.6 SD
2,461 0.69
686 43 CFR 2640 FAA AIRPORT GRANTS
High signals: Restriction density +3.1 SD · Directive share +1.5 SD
1,249 0.69
722 43 CFR 3820 AREAS SUBJECT TO SPECIAL MINING LAWS
High signals: Directive share +1.2 SD · Reading grade +1.1 SD
2,256 0.67
736 43 CFR 2920 LEASES, PERMITS AND EASEMENTS
High signals: Restriction density +1.7 SD · Directive share +1.2 SD
6,913 0.67
753 43 CFR 3180 ONSHORE OIL AND GAS UNIT AGREEMENTS: UNPROVEN AREAS
High signals: Directive share +1.3 SD · Reading grade +1.1 SD · Restriction density +1.0 SD
13,939 0.66
813 43 CFR 3130 OIL AND GAS LEASING: NATIONAL PETROLEUM RESERVE, ALASKA
High signals: none above 1 SD; ranked by the combined score
15,062 0.63
899 43 CFR 2740 RECREATION AND PUBLIC PURPOSES ACT
High signals: Directive share +1.1 SD
5,429 0.60
913 43 CFR 3150 ONSHORE OIL AND GAS GEOPHYSICAL EXPLORATION
High signals: Paperwork share +1.7 SD · Directive share +1.0 SD
2,735 0.59
933 43 CFR 2200 EXCHANGES: GENERAL PROCEDURES
High signals: none above 1 SD; ranked by the combined score
9,731 0.58
1,150 43 CFR 2710 SALES: FEDERAL LAND POLICY AND MANAGEMENT ACT
High signals: Directive share +1.5 SD · Restriction density +1.0 SD
4,507 0.52

Score: the mean of six signals, in standard deviations (SD). Across the CFR, the top 641 of 6,402 ranked parts (10%) get a flag for review; this list shows 25. A flag is not a finding.

Statutes behind the most text

  • 30 U.S.C. 189: 209,941 words in 13 parts (29.8% of this agency's text)
  • 43 U.S.C. 1701: 189,787 words in 24 parts (26.9% of this agency's text)
  • 43 U.S.C. 1732: 161,500 words in 8 parts (22.9% of this agency's text)
  • 43 U.S.C. 1201: 144,724 words in 27 parts (20.5% of this agency's text)
  • 25 U.S.C. 396d: 136,458 words in 5 parts (19.4% of this agency's text)
  • 30 U.S.C. 22: 65,306 words in 12 parts (9.3% of this agency's text)
  • 43 U.S.C. 1733: 62,268 words in 5 parts (8.8% of this agency's text)
  • 43 U.S.C. 1740: 55,257 words in 12 parts (7.8% of this agency's text)
  • 31 U.S.C. 9701: 54,398 words in 7 parts (7.7% of this agency's text)
  • 30 U.S.C. 1001: 45,620 words in 2 parts (6.5% of this agency's text)

From the authority notes. A citation is not proof that the statute requires the rule.

Largest parts

  • 43 CFR 3170: ONSHORE OIL AND GAS PRODUCTION (85,664 words)
  • 43 CFR 2800: RIGHTS-OF-WAY UNDER THE FEDERAL LAND POLICY AND MANAGEMENT ACT (31,149 words)
  • 43 CFR 3200: GEOTHERMAL RESOURCE LEASING (30,213 words)
  • 43 CFR 3800: MINING CLAIMS UNDER THE GENERAL MINING LAWS (23,440 words)
  • 43 CFR 3100: OIL AND GAS LEASING (20,594 words)
  • 43 CFR 3500: LEASING OF SOLID MINERALS OTHER THAN COAL AND OIL SHALE (20,430 words)
  • 43 CFR 2560: ALASKA OCCUPANCY AND USE (19,932 words)
  • 43 CFR 2650: ALASKA NATIVE SELECTIONS (19,030 words)
  • 43 CFR 4100: GRAZING ADMINISTRATION—EXCLUSIVE OF ALASKA (18,364 words)
  • 43 CFR 3480: COAL EXPLORATION AND MINING OPERATIONS RULES (17,364 words)

Reading grade and sentence types are approximate. Simple rules label each sentence; the first match wins.