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The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
BLACK STONE MINERALS LP COM UNIT REPSTG LTD PARTNER INT COM UNIT 09225M101 72,694 4,689,939 SH   SOLE   4,689,939 0 0
ENTERPRISE PRODS PARTNERS L P COM UNIT COM 293792107 7,404 256,470 SH   SOLE   256,470 0 0
EPSILON ENERGY LTD COM 294375209 1,385 369,249 SH   SOLE   369,249 0 0