FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * MARTIN J LANDIS 2. Issuer Name and Ticker or Trading Symbol CROWN CASTLE INTERNATIONAL CORP [ CCI ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)__X__ Director                    _____ 10% Owner
_____ Officer (give title below)    _____ Other (specify below)
(Last)         (First)         (Middle)
C/O PLATTE RIVER EQUITY, 200 FILLMORE STREET, SUITE 200
3. Date of Earliest Transaction (MM/DD/YYYY)
7/26/2021
(Street)
DENVER, CO 80206
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, $0.01 Par Value  7/26/2021    P    4200  A $191.5192 (1) 141755  D   
Common Stock, $0.01 Par Value  7/26/2021    P    2000  A $191.55  9000  I  by Martin Enterprises LLC (2)
Common Stock, $0.01 Par Value  7/26/2021    P    5000  A $191.4754 (3) 14700 (4) I  By child trust 4 
Common Stock, $0.01 Par Value                 4500  I  By spouse 
Common Stock, $0.01 Par Value                 6115 (4) I  By child trust 1 
Common Stock, $0.01 Par Value                 6150 (4) I  By child trust 2 
Common Stock, $0.01 Par Value                 3750 (4) I  By child trust 3 
Common Stock, $0.01 Par Value                 1000 (4) I  By child trust 5 
Common Stock, $0.01 Par Value                 700 (4) I  By child trust 6 
Common Stock, $0.01 Par Value                 150 (4) I  By child trust 7 
Common Stock, $0.01 Par Value                 150 (4) I  By child trust 8 
Common Stock, $0.01 Par Value                 250 (4) I  By child trust 9 
Common Stock, $0.01 Par Value                 450 (4) I  As custodian for grandchild under UTMA 1 
Common Stock, $0.01 Par Value                 450 (4) I  As custodian for grandchild under UTMA 2 

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Explanation of Responses:
(1)  Represents the weighted average per share price of purchases transacted on July 26, 2021; such purchases were conducted through various transactions at per share purchase prices ranging from $191.465 to $191.550, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the aforementioned range.
(2)  The reporting person is the sole manager of Martin Enterprises LLC. The reporting person and trusts (of which the reporting person is the sole trustee) formed for the benefit of the reporting person's children are the sole members of Martin Enterprises LLC.
(3)  Represents the weighted average per share price of purchases transacted on July 26, 2021; such purchases were conducted through various transactions at per share purchase prices ranging from $191.2750 to $191.7600, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the aforementioned range.
(4)  The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
MARTIN J LANDIS
C/O PLATTE RIVER EQUITY
200 FILLMORE STREET, SUITE 200
DENVER, CO 80206
X



Signatures
/s/ J. Landis Martin 7/27/2021
**Signature of Reporting Person Date
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