By Stephen M. Silverman
Updated October 06, 1998 12:00 AM
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Julia Roberts’s “Erin Brockovich” is proving unstoppable. The legal drama remained the nation’s No. 1 box-office winner for the third straight weekend, according to industry estimates. The animated “The Road to El Dorado,” with a score by Elton John, did itself proud, too. The weekend Top 10:

1. “Erin Brockovich,” $14.2 million.
2. “The Road to El Dorado,” $12.5 million.
3. “The Skulls,” $11.4 million.
4. “Romeo Must Die,” $9.7 million.
5. “High Fidelity,” $6.4 million.
6. “American Beauty,” $5.8 million.
7. “Final Destination,” $5.2 million.
8. “Mission to Mars,” $3.4 million.
9 (tie). “Here on Earth,” $2.4 million.
9 (tie). “Whatever It Takes,” $2.4 million.