1452. Vertical #20 net tow. Sta. E-2, 44°37'00"N, 86°21'42"W. Lake Michigan. Coll: E. Dunster. 14 July 1967.
1453. Vertical #20 net tow. Sta. E-3, 44°34'00"N, 86°40'00"W. Lake Michigan. Coll: E. Dunster. 15 July 1967.
1454. Vertical #20 net tow. Sta. E-5, 44°25'30"N, 87°10'18"W. Lake Michigan. Coll: E. Dunster. 15 July 1967.
1455. Surface #20 net tow. CH-1, Chicago, Ill. Lake Michigan Coll: E. Dunster. 10 July 1967.
1456. Surface #20 net tow. Cheboygan, Mich. Lake Huron. Coll: E. Dunster. 21 July 1967.
1457. Surface #20 net tow. Calcite, Mich. Lake Huron. Coll: E. Dunster. 22 July 1967.
1458. Surface #20 net tow. South Baymouth, Canada. Lake Huron. Coll: E. Dunster. 23 July 1967.
1459. Surface #20 net tow. Alpena, Mich. Lake Huron. Coll: E. Dunster. 25 July 1967.
1460. Surface #20 net tow. Harbor Beach, Mich. Lake Huron. Coll: E. Dunster. 27 July 1967.
1461. Vertical #20 net tow. Sta. HU-1, 45°49.0'N, 84°48.1'W. Straits of Lake Michigan. Coll: E. Dunster. 21 July 1967.
1462. Vertical #20 net tow. Sta. HU-3, 45°25.8'N, 83°31.2'W. Lake Huron. Coll: E. Dunster. 22 July 1967.
1463. Vertical #20 net tow. Sta. HU-5, 45°27.9'N, 82°56.8'W. Lake Huron. Coll: E. Dunster. 23 July 1967.
1464. Vertical #20 net tow. Sta. HU-8, 45°31.5'N, 82°16.5'W. Lake Huron. Coll: E. Dunster. 23 July 1967.
1465. Vertical #20 net tow. Sta. HU-10, 45°01.0'N, 82°01.0'W. Lake Huron. Coll: E. Dunster. 25 July 1967.
1466. Vertical #20 net tow. Sta. HU-13, 45°00.5'N, 82°34.5'W. Lake Huron. Coll: E. Dunster. 25 July 1967.
1467. Vertical #20 net tow. Sta. HU-15, 44°21.8'N, 82°54.2'W. Lake Huron. Coll: E. Dunster. 27 July 1967.
1468. Vertical #20 net tow. Sta. HU-16, 44°05.3'N, 82°44.8'W. Lake Huron. Coll: E. Dunster. 27 July 1967.
1469. Vertical #20 net tow. Sta. HU-18, 43°51.2'N, 82°27.7'W. Lake Huron. Coll: E. Dunster. 27 July 1967.
1470. Surface #20 net tow. Sta. GS-67-23, 42°58.4'N, 82°25.1'W. St. Claire River. Coll: E. F. Stoermer. 29 July 1967.
1471. Surface #20 net tow. Sta. GS-67-24, 42°32.2'N, 82°37.8'W. St. Clair River. Coll: E. F. Stoermer. 29 July 1967.
1472. Surface #20 net tow. Sta. GS-67-25, 42°21.7'N, 82°54.4'W. St. Clair River. Coll: E. F. Stoermer. 29 July 1967.
1473. Surface #20 net tow. Sta. GS-67-26, 42°14.8'N, 83°05.65'W. Detroit River. Coll: E. F. Stoermer. 29 July 1967.
1474. Surface #20 net tow. Sta. GS-67-27, 41°47.2'N, 83°08.15'W. Lake Erie. Coll: E. F. Stoermer. 29 July 1967.
1475. Vertical #20 net tow. Sta. HU-20, 43°52.0'N, 82°06.2'W. Lake Huron. Coll: E. F. Stoermer. 28 July 1967.
1476. Vertical #20 net tow. Sta. HU-23, 43°18.7'N, 82°14.7'W. Lake Huron. Coll: E. F. Stoermer. 28 July 1967.
1477. Surface #20 net tow. Leamington, Ontario. Lake Erie. Coll: E. F. Stoermer. 29 July 1967.
1478. Surface #20 net tow. Port Stanley, Ontario. Lake Erie. Coll: E. F. Stoermer. 30 July 1967.
1479. Surface #20 net tow. Erie, Pa. Lake Erie. Coll: E. F. Stoermer. 30 July 1967.
1480. Surface #20 net tow. Cleveland, Ohio. Lake Erie. Coll: E. F. Stoermer. 1 August 1967.
1481. Surface #20 net tow. Monroe, Mich. Lake Erie. Coll: E. F. Stoermer. 2 August 1967.
1482. Surface #20 net tow. St. Ignace, Mich. Straits of Mackinac. Coll: E. F. Stoermer. 4 August 1967.
1483. Vertical #20 net tow. Sta. ER-1, 41°56.1'N, 83°04.3'W. Lake Erie. Coll: E. F. Stoermer. 29 July 1967.
1484. Vertical #20 net tow. Sta. ER-2, 41°33.1'N, 82°40.4'W. Lake Erie. Coll: E. F. Stoermer. 29 July 1967.
1485. Vertical #20 net tow. Sta. ER-3, 41°53.0'N, 82°18.3'W. Lake Erie. Coll: E. F. Stoermer. 30 July 1967.
1486. Vertical #20 net tow. Sta. ER-5, 42°05.7'N, 81°51.0'W. Lake Erie. Coll: E. F. Stoermer. 30 July 1967.
1487. Vertical #20 net tow. Sta. ER-7, 42°18.0'N, 81°23.0'W. Lake Erie. Coll: E. F. Stoermer. 30 July 1967.
1488. Vertical #20 net tow. Sta. ER-8, 42°28.1'N, 81°18.1'W. Lake Erie. Coll: E. F. Stoermer. 30 July 1967.
1489. Vertical #20 net tow. Sta. ER-9, 42°35.5'N, 81°05.2'W. Lake Erie. Coll: E. F. Stoermer. 30 July 1967.
1490. Vertical #20 net tow. Sta. ER-10, 42°28.1'N, 80°52.8'W. Lake Erie. Coll: E. F. Stoermer. 31 July 1967.
1491. Vertical #20 net tow. Sta. ER-1l, 42°21.1'N, 80°39.1'W. Lake Erie. Coll: E. F. Stoermer. 31 July 1967.
1492. Vertical #20 net tow. Sta. ER-13, 42°26.8'N, 80°14.1'W. Lake Erie. Coll: E. F. Stoermer. 31 July 1967.
1493. Vertical #20 net tow. Sta. ER-15, 42°31.0'N, 79°53.8'W. Lake Erie. Coll: E. F. Stoermer. 31 July 1967.
1494. Vertical #20 net tow. Sta. ER-18, 42°14.4'N, 80°12.7'W. Lake Erie. Coll: E. F. Stoermer. 1 August 1967.
1495. Vertical #20 net tow. Sta. ER-20, 42°02.8'N, 80°46.1'W. Lake Erie. Coll: E. F. Stoermer. 1 August 1967.
1496. Vertical #20 net tow. Sta. ER-22, 41°51.3'N, 81°20.8'W. Lake Erie. Coll: E. F. Stoermer. 1 August 1967.
1497. Vertical #20 net tow. Sta. ER-24, 41°38.7'N, 81°40.5'W. Lake Erie. Coll: E. F. Stoermer. 1 August 1967.
1498. Vertical #20 net tow. Sta. ER-25, 41°42.2'N, 81°53.7'W. Lake Erie. Coll: E. F. Stoermer. 2 August 1967.
1499. Vertical #20 net tow. Sta. ER-26, 41°38.2'N, 82°15.0'W. Lake Erie. Coll: E. F. Stoermer. 2 August 1967.
1500. Vertical #20 net tow. Sta. ER-27, 41°34.5'N, 82°36.9'W. Lake Erie. Coll: E. F. Stoermer. 2 August 1967.
1501. Vertical #20 net tow. Sta. ER-28, 41°34.5'N, 82°36.9'W. Lake Erie. Coll: E. F. Stoermer. 2 August 1967.
1502. Vertical #20 net tow. Sta. ER-29, 41°48.2'N, 83°06.0'W. Lake Erie. Coll: E. F. Stoermer. 2 August 1967.
1503. Rock scrape. Sta. ER-9, 42°35.5'N; 81°05.2'W. Lake Erie. Coll: E. F. Stoermer. 30 July 1967.
1504. Vertical #20 net tow. Sta. A-3, 42°05'30"N; 86°43'00"W. Lake Michigan. Coll: E. Dunster. 28 August 1967.
1505. Vertical #20 net tow. Sta. A-4, 42°03'30"N; 87°06'30"W. Lake Michigan. Coll: E. Dunster. 28 August 1967.
1506. Vertical #20 net tow. Sta. A-6, 41°52'00"N; 87°27'00"W. Lake Michigan. Coll: E. Dunster. 29 August 1967.
1507. Rock scrape. Sta. A-6, 41°52'00"N; 87°27'00"W. Lake Michigan. Coll: E. Dunster. 29 August 1967.
1508. Vertical #20 net tow. Sta. C-3, 42°49'10"N; 86°28'25"W. Lake Michigan. Coll: E. Dunster. 2 September 1967.
1509. Vertical #20 net tow. Sta. C-5, 42°49'00"N; 86°50'00"W. Lake Michigan. Coll: E. Dunster. 2 September 1967.
1510. Vertical #20 net tow. Sta. C-7, 42°47'30"N; 87°34'30"W. Lake Michigan. Coll: E. Dunster. 29 August 1967.
1511. Vertical #20 net tow. Sta. E-2, 44°37'00"N; 86°21'42"W. Lake Michigan. Coll: E. Dunster. 1 September 1967.
NOTE: 1511 slide dropped, coverslip recovered and remounted, coordinates previously recorded are now inaccurate.
1512. Vertical #20 net tow. Sta. E-3, 44°34'00"N; 86°40'00"W. Lake Michigan. Coll: E. Dunster. 1 September 1967.
1513. Vertical #20 net tow. Sta. E-5, 44°25'30"N; 87°10'18"W. Lake Michigan. Coll: E. Dunster. 31 August 1967.
1514. Rock scrappings, rocks gathered by divers on Mid-Lake High (140 ft. depth). 43°20'30"N; 87°09'00"W. Lake Michigan. Coll: L. Somers and R. Anderson. 22 June 1967.
1515. Rock scrappings, rock gathered by divers on Mid-Lake High (140 ft. depth).
43°20'30"N; 87°09'00"W. Lake Michigan. Coll: L. Somers and R. Anderson. 22 June 1967.
1516. Rock scrappings, rocks gathered by STAR II, GLRD dive #137 (275 ft. depth). 43°03'50"N; 87°25'00"W. Lake Michigan. Coll: D. Brandon. 21 June 1967.
1517. Rock scrappings, rock gathered by STAR II, GLRD dive #132 (260 ft. depth). 43°01'00"N; 87°21'00"W. Lake Michigan. Coll: L. Somers. 20 June 1967.
1518. Rock scrappings. Sta. HU-1, 45°49.0'N; 84°48.1'W. Straits of Lake Michigan. Coll: E. Dunster. 21 July 1967.
1519. Periphyton growing on plastic current meter rotors, GLRD Meteorology Tower - 7 ft. depth, 5500 ft. offshore. Mona Lake inlet. Lake Michigan. Coll: F. Elder. 20 September 1967.
1520. Surface #20 net tow. Holland, Michigan. Lake Michigan. HO = 42°46.4¹N, 86°12.9¹W. Coll: J. Ayers. 18 September 1967.
1521. Surface #20 net tow. South Haven, Michigan. Lake Michigan. SH = 42°24.0¹N, 86°17.3¹W. Coll: J. Ayers. 18 September 1967.
1522. Surface #20 net tow. Benton Harbor, Michigan. Lake Michigan. BH = 42°06.9¹N, 86°29.7¹W. Coll: J. Ayers. 18 September 1967.
1523. Surface #20 net tow. Racine, Wisconsin. Lake Michigan. RA = 42°44.1¹N, 87°46.3¹W. Coll: J. Ayers. 19 September 1967.
1524. Surface #20 net tow. Milwaukee, Wisconsin. Lake Michigan. MI = 43°01.6¹N, 87°52.9¹W. Coll: J. Ayers. 20 September 1967.
1525. Surface #20 net tow. Port Washington, Wisconsin. Lake Michigan. PW = 43°23.2¹N, 87°51.7¹W. Coll: J. Ayers. 20 September 1967.
1526. Surface #20 net tow. Manitowoc, Wisconsin. Lake Michigan. MO = 44°05.6¹N, 87°38.6¹W. Coll: J. Ayers. 20 September 1967.
1527. Surface #20 net tow. Two Rivers, Wisconsin. Lake Michigan. TR = 44°08.6¹N, 87°33.6¹W. Coll: J. Ayers. 20 September 1967.
1528. Surface #20 net tow. Sheboygan, Wisconsin. Lake Michigan. SB = 43°45.0¹N, 87°41.5¹W. Coll: J. Ayers. 20 September 1967.
1529. Surface #20 net tow. Kewaunee, Wisconsin. Lake Michigan. KW = 44°27.5¹N, 87°29.6¹W. Coll: J. Ayers. 20 September 1967.
1530. Surface #20 net tow. Frankfort, Michigan. Lake Michigan. FR = 44°37.8¹N, 86°15.0¹W. Coll: J. Ayers. 24 September 1967.
1531. Surface #20 net tow. Grand Haven, Michigan. Lake Michigan. GH = 43°03.5¹N, 86°15.4¹W. Coll: J. Ayers. 25 September 1967.
1532. Vertical #20 net tow. Sta. A-3, 42°05'30"N; 86°43'00"W. Lake Michigan. Coll: J. Ayers. 18 September 1967.
1533. Vertical #20 net tow. Sta. A-4, 42°03'30"N; 87°06'30"W. Lake Michigan. Coll: J. Ayers. 19 September 1967.
1534. Vertical #20 net tow. Sta. A-6, 41°52'00"N; 87°27'00"W. Lake Michigan. Coll: J. Ayers. 19 September 1967.
1535. Vertical #20 net tow. Sta. C-7, 42°47'30"N; 87°34'30"~. Lake Michigan. Coll: J. Ayers. 20 September 1967.
1536. Vertical #20 net tow. Sta. E-2, 44°37'00"N; 86°21'42"W. Lake Michigan. Coll: J. Ayers. 24 September 1967.
1537. Vertical #20 net tow. Sta. E-3, 44°34'00"N; 86°40'00"W. Lake Michigan. Coll: J. Ayers. 24 September 1967.
1538. Vertical #20 net tow. Sta. E-5, 44°25'30"N; 87°10'18"W. Lake Michigan. Coll: J. Ayers. 23 September 1967.
1539. Vertical #20 net tow. Sta. C-3, 42°49'10"N; 86°28'25"W. Lake Michigan. Coll: C. F. Powers. 4 October 1967.
1540. Vertical #20 net tow. Sta. C-5, 42°49'00"N; 86°50'00"W. Lake Michigan. Coll: C. F. Powers. 4 October 1967.
1541. Vertical #20 net tow. Sta. E-2, 44°37'00"N; 86°21'42"W. Lake Michigan. Coll: E. F. Stoermer. 11 October 1967.
1542. Vertical #20 net tow. Sta. E-3, 44°34'00"N; 86°40'00"W. Lake Michigan. Coll: E. F. Stoermer. 11 October 1967.
1543. Vertical #20 net tow. Sta. E-5, 44°25'30"N; 87°10'18"W. Lake Michigan. Coll: E. F. Stoermer. 10 October 1967.
1544. Surface #20 net tow. Muskegon, Michigan. Lake Michigan. MU = 43°13.5¹N, 86°20.8¹W. Coll: E. F. Stoermer. 2 October 1967.
1545. Surface #20 net tow. White Lake, Michigan. Lake Michigan. WL = 43°22.5¹N, 86°25.3¹W. Coll: E. F. Stoermer. 2 October 1967.
1546. Surface #20 net tow. Ludington, Michigan. Lake Michigan. LU = 43°57.2¹N, 86°27.8¹W. Coll: E. F. Stoermer. 2 October 1967.
1547. Surface #20 net tow. Manistee, Michigan. Lake Michigan. MS = 44°15.1¹N, 86°20.8¹W. Coll: E. F. Stoermer. 2 October 1967.
1548. Surface #20 net tow. Charlevoix, Michigan. Lake Michigan. CA = 45°19.3¹N, 85°15.9¹W. Coll: E. F. Stoermer. 3 October 1967.
1549. Surface #20 net tow. Manistique, Michigan. Lake Michigan. MQ = 45°56.7¹N, 86°14.8¹W. Coll: E. F. Stoermer. 4 October 1967.
1550. Surface #20 net tow. Marinette, Wis., and Menominee, Michigan. Green Bay. MR = 45°05.8¹N, 87°35.1¹W. Coll: E. F. Stoermer. 5 October 1967.
1551. Surface #20 net tow. Escanaba, Michigan. Little Bay De Noc. ES = 45°44.7¹N, 87°02.2¹W. Coll: E. F. Stoermer. 5 October 1967.
1552. Surface #20 net tow. Sturgeon Bay, Wisconsin. Lake Michigan. SM = 44°47.5¹N, 87°18.6¹W. Coll: E. F. Stoermer. 6 October 1967.
1553. Surface #20 net tow. Sturgeon Bay, Wisconsin. Green Bay. SG = 44°50.1¹N, 87°22.9¹W. Coll: E. F. Stoermer. 6 October 1967.
1554. Vertical #20 net tow. Sta. GS-1A, 44°46.9¹N; 86°13.7 W. Lake Michigan. Coll: E. F. Stoermer. 3 October 1967.
1555. Vertical #20 net tow. Sta. GS-2A, 45°00.6¹N; 85°56.5 W. Lake Michigan. Coll: E. F. Stoermer. 3 October 1967.
1556. Vertical #20 net tow. Sta. GS-3A, 45°04.4 N; 85°26.6 W. Lake Michigan. Coll.: E. F. Stoermer. 3 October 1967.
1557. Vertical #20 net tow. Sta. GS-4A, 45°25.2 N; 85°19.0 W. Lake Michigan. Coll.: E. F. Stoermer. 3 October 1967.
1558. Vertical #20 net tow. Sta. GS-5A, 45°30.5 N; 85°23.5 W. Lake Michigan. Coll.: E. F. Stoermer. 4 October 1967.
1559. Vertical #20 net tow. Sta. GS-7A, 45°34.5 N; 85°41.2 W. Lake Michigan. Coll.: E. F. Stoermer. 4 October 1967.
1560. Vertical #20 net tow. Sta. GS-8A, 45°44.7 N; 85°46.5 W. Lake Michigan. Coll.: E. F. Stoermer. 4 October 1967.
1561. Vertical #20 net tow. Sta. GS-9A, 45°54.6 N; 86°11.5 W. Lake Michigan. Coll.: E. F. Stoermer. 4 October 1967.
1562. Vertical #20 net tow. Sta. GS-10A, 45°34.0 N; 86°25.7 W. Lake Michigan. Coll.: E. F. Stoermer. 5 October 1967.
1563. Vertical #20 net tow. Sta. GS-11A 45°31.7 N; 86°41.4 W. Lake Michigan. Coll.: E. F. Stoermer. 5 October 1967.
1564. Vertical #20 net tow. Sta. GS-12A 45°47.1 N; 86°36.1 W. Lake Michigan. Coll.: E. F. Stoermer. 5 October 1967.
1565. Vertical #20 net tow. Sta. GS-13A 45°43.8 N; 86°41.6 W. Lake Michigan. Coll.: E. F. Stoermer. 5 October 1967.
1566. Vertical #20 net tow. Sta. GS-14A 45°40.5 N; 86°48.8 W. Green Bay. Coll.: E. F. Stoermer. 5 October 1967.
1567. Vertical #20 net tow. Sta. GS-15A 45°36.2 N; 86°58.5 W. Green Bay. Coll.: E. F. Stoermer. 5 October 1967.
1568. Vertical #20 net tow. Sta. GS-16A 45°47.4 N; 87°02.2 W. Little Bay De Noc. Coll.: E. F. Stoermer. 5 October 1967.
1569. Vertical #20 net tow. Sta. GS-17A 45°34.0 N; 87°09.0 W. Green Bay. Coll.: E. F. Stoermer. 5 October 1967.
1570. Vertical #20 net tow. Sta. GS-18A 45°23.5 N; 87°17.5 W. Green Bay. Coll.: E. F. Stoermer. 5 October 1967.
1571. Vertical #20 net tow. Sta. GS-19A 45°05.1 N; 87°32.3 W. Green Bay. Coll.: E. F. Stoermer. 6 October 1967.
1572. Vertical #20 net tow. Sta. GS-20A 44°40.2 N; 87°52.9 W. Green Bay. Coll.: E. F. Stoermer. 6 October 1967.
1573. Vertical #20 net tow. Sta. GS-21A 44°55.3 N; 87°26.0 W. Green Bay. Coll.: E. F. Stoermer. 6 October 1967.
1574. Vertical #20 net tow. Sta. GS-22A 44°46.6 N; 87°17.2 W. Lake Michigan. Coll.: E. F. Stoermer. 6 October 1967.
1575. Vertical #20 net tow. Sta. GS-28A 44°52.2 N; 87°39.0 W. Green Bay. Coll.: E. F. Stoermer. 6 October 1967.
1576. Algal mat on bottom of concrete swimming pool, by meteorology cottage. North shore of Mona Lake Inlet, Michigan. Coll.: E. F. Stoermer. 1 October 1967.
1577. Material from wave washed rocks. Outside edge of East Pier, Harbor of Manistique, Michigan. Coll.: E. F. Stoermer. 4 October 1967.
1578. Material from rocks under water. Outside edge of East Pier, Harbor of Manistique, Michigan. Coll.: E. F. Stoermer. 4 October 1967.
1579. Periphyton growing on plastic current meter rotors, GLRD Meteorology Tower - 7 ft. depth. 5500 ft. offshore, Mona Lake Inlet, Lake Michigan. Coll: F. Elder. 28 Oct. 1967.
1580. Surface #20 net tow. Indiana Harbor, Indiana, Lake Mich. Coll: J. Ayers. 8 Nov. 1967.
1581. Surface #20 net tow. Gary, Indiana, Lake Mich. Coll: J. Ayers. 8 Nov. 1967.
1582. Surface #20 net tow. Calumet Harbor, Indiana, Lake Mich. Coll: J. Ayers. 10 Nov. 1967.
1583. Surface #20 net tow. Michigan City Harbor, Indiana, Lake Mich. Coll: J. Ayers. 10 Nov. 1967.
1584. Surface #20 net tow. Chicago Harbor, Illinois, Lake Mich. Coll: J. Ayers. 10 Nov. 1967.
1585. Bottom material from Tiplady Bog, Corner of Tiplady and Silver Hill Rds., SW 1/4, Sec. 33, R4E, TWPIN, Livingston Co. Mich. Coll: Sam Mazzer. 7 Feb. 1968.
1586. Composite of living material from Tiplady Bog, Corner of Tiplady and Silver Hill Rds., SW 1/4, Sec. 33, R4E, TWPIN, Livingston Co. Mich. Coll: Sam Mazzer. 19 March 1968.
1587. Composite of bottom material from Tiplady Bog, Corner of Tiplady and Silver Hill Rds., SW 1/4, Sec. 33, R4E, TWPIN, Livingston Co. Mich. Coll: Sam Mazzer. 22 March 1968.
1588. Squeeze from Sphagnum from Tiplady Bog, Corner of Tiplady and Silver Hill Rds., SW 1/4, Sec. 33, R4E, TWPIN, Livingston Co. Mich. Coll: Sam Mazzer. 22 March 1968.
1589. Vertical #20 net tow. 1/4 mi. west of GH pierhead. Lake Michigan. Coll: E. Dunster. 19 March 1968.
1590. Vertical #20 net tow. 2.8 mi. N GH pierhead, 3/4 mi. from shore. Lake Michigan. Coll: E. Dunster. 19 March 1968.
1591. Vertical #20 net tow. Open water area in center of ice flow 1 1/4 mi. from shore. Lake Michigan. Coll: E. Dunster. 19 March 1968.
1592. Vertical #20 net tow. Sta. C-1, 42°49'40" N; 86°14'50" W. Lake Michigan. Coll: E. Dunster. 26 March 1968.
1593. Vertical #20 net tow. Sta. C-2, 42°49'40" N; 86°18'25" W. Lake Michigan. Coll: E. Dunster. 26 March 1968.
1594. Vertical #20 net tow. Sta. C-3, 42°49'10" N; 86°28'25" W. Michigan. coll: Edward Dunster. 26 March 1968.
1595. Vertical #20 net tow. Sta. A-l, 42°06'30" N; 86°32'00" W. Michigan. Coll: Edward Dunster. 5 April 1968.
1596. Vertical #20 net tow. Sta. A-l, 42°06'30" N; 86°32'00" W. Michigan. Coll: Edward Dunster. 16 April 1968.
1597. Vertical #20 net tow. Sta. A-2, 42°06'00" N; 86°37'00" W. Michigan. Coll: Edward Dunster. 5 April 1968.
1598. Vertical #20 net tow. Sta. A-2, 42°06'00" N; 86°37'00" W. Michigan. Coll: Edward Dunster. 16 April 1968.
1599. Vertical #20 net tow. Sta. A-3, 42°05'30" N; 86°43'00" W. Michigan. Coll: Edward Dunster. 5 April 1968.
1600. Vertical #20 net tow. Sta. A-3, 42°05'30" N; 86°43'00" W. Michigan. Coll: Edward Dunster. 16 April 1968.
1601. Vertical #20 net tow. Sta. A-4, 42°03'30" N; 87°06'30" W. Michigan. Coll: Edward Dunster. 5 April 1968.
1602. Vertical #20 net tow. Sta. A-4, 42°03'30" N; 87°06'30" W. Michigan. Coll: Edward Dunster. 17 April 1968.
1603. Vertical #20 net tow. Sta. A-5, 41°57'00" N; 87°18'30" W. Michigan. Coll: Edward Dunster. 3 April 1968.
1604. Vertical #20 net tow. Sta. A-5, 41°57'00" N; 87°18'30" W. Michigan. Coll: Edward Dunster. 17 April 1968
1605. Vertical #20 net tow. Sta. A-6, 41°52'00" N; 87°27'00" W. Michigan. Coll: Edward Dunster. 3 April 1968.
1606. Vertical #20 net tow. Sta. A-6, 41°52'00" N; 87°27'00" W. Michigan. Coll: John C. Ayers. 13 June 1967.
1607. Vertical #20 net tow. Sta. A-6, 41°52'00" N; 87°27'00" W. Michigan. Coll: Edward Dunster. 17 April 1968.
1608. Vertical #20 net tow. Sta. C-l, 42°49'40" N; 86°14'50" W. Michigan. Coll: Edward Dunster. 16 April 1968.
1609. Vertical #20 net tow. Sta. C-2, 42°49'40" N; 86°18'25" W. Michigan. Coll: Edward Dunster. 16 April 1968.
1610. Vertical #20 net tow. Sta. C-3, 42°49'10" N; 86°28'25" W. Michigan. Coll: Edward Dunster. 16 April 1968
1611. Vertical #20 net tow. Sta. C-4, 42°48'50" N; 86°41'30" W. Michigan. Coll: Edward Dunster. 2 April 1968.
1612. Vertical #20 net tow. Sta. C-4, 42°48'50" N; 86°41'30" W. Michigan. Coll: Edward Dunster. 16 April 1968
1613. Vertical #20 net tow. Sta. C-5, 42°49'00" N; 86°50'00" W. Michigan. Coll: Edward Dunster. 2 April 1968.
1614. Vertical #20 net tow. Sta. C-5, 42°49'00" N; 86°50'00" W. Michigan. Coll: Edward Dunster. 16 April 1968
1615. Vertical #20 net tow. Sta. C-6, 42°47'40" N; 87°26'50" W. Michigan. Coll: Edward Dunster. 2 April 1968.
1616. Vertical #20 net tow. Sta. C-6, 42°47'40" N; 87°26'50" W. Michigan. Coll: Edward Dunster. 17 April 1968
1617. Vertical #20 net tow. Sta. C-7, 42°47'30" N; 87°34'30" W. Michigan. Coll: Edward Dunster. 2 April 1968.
1618. Vertical #20 net tow. Sta. C-7, 42°47'30" N; 87°34'30" W. Michigan. Coll: Edward Dunster. 17 April 1968
1619. Vertical #20 net tow. Sta. E-l, 44°37'30" N; 86°18'12" W. Michigan. Coll: Edward Dunster. 22 April 1968
1620. Vertical #20 net tow. Sta. E-2, 44°37'00" N; 86°21'42" W. Michigan. Coll: Edward Dunster. 22 April 1968
1621. Vertical #20 net tow. Sta. E-3, 44°34'00" N; 86°40'00" W. Michigan. Coll: Edward Dunster. 22 April 1968
1622. Vertical #20 net tow. Sta. E-4, 44°30'18" N; 86°55'18" W. Michigan. Coll: Edward Dunster. 22 April 1968
1623. Vertical #20 net tow. Sta. E-5, 44°25'30" N; 87°10'18" W. Michigan. Coll: Edward Dunster. 21 April 1968
1624. Vertical #20 net tow. Sta. E-6, 44°27'48" N; 87°26'25" W. Michigan. Coll: Edward Dunster. 21 April 1968
1625. One minute surface #20 net tow 1 mile from Grand Haven, Michigan pierheads bearing 260°. Sta. 1. Lake Michigan. Coll: E. F. Stoermer. 7 May 1968.
1626. One minute surface #20 net tow 2 miles offshore from Grand Haven, Michigan pierheads bearing 260°. Sta. 2. Lake Michigan. Coll: E. F. Stoermer. 7 May 1968.
1627. One minute surface #20 net tow 3 miles offshore from Grand Haven, Michigan pierheads bearing 260°. Sta. 3. Lake Michigan. Coll: E. F. Stoermer. 7 May 1968.
1628. One minute surface #20 net tow 4 miles offshore from Grand Haven, Michigan pierheads bearing 260°. Sta. 4. Lake Michigan. Coll: E. F. Stoermer. 7 May 1968.
1629. One minute surface #20 net tow 5 miles from Grand Haven, Michigan pierheads bearing 260°. Sta. 5. Lake Michigan. Coll: E. F. Stoermer. 7 May 1968.
1630v. Surface #20 net tow in Port Sheldon thermal discharge. Coll: E. F. Stoermer. 7 May 1968.
1631. Surface #20 net tow in Muskegon, Michigan plume 1/2 mile from pierheads. Coll: E. F. Stoermer. 7 May 1968.
1632. Vertical #20 net tow. Sta. A-l, 42°06'30" N; 86°32'00" W. Michigan. Coll: Edward Dunster. 13 May 1968.
1633. Vertical #20 net tow. Sta. A-2, 42°06'00" N; 86°37'00" W. Michigan. Coll: Edward Dunster. 13 May 1968.
1634. Vertical #20 net tow. Sta. A-3, 42°05'30" N; 86°43'00" W. Michigan. Coll: Edward Dunster. 13 May 1968.
1635. Vertical #20 net tow. Sta. A-4, 42°03'30" N; 87°06'30" W. Michigan. Coll: Edward Dunster. 14 May 1968.
1636. Vertical #20 net tow. Sta. A-5, 41°57'00" N; 87°18'30" W. Michigan. Coll: Edward Dunster. 14 May 1968
1637. Vertical #20 net tow. Sta. A-6, 41°52'00" N; 87°27'00" W. Michigan. Coll: Edward Dunster. 14 May 1968.
1638. Vertical #20 net tow. Sta. C-l, 42°49'40" N; 86°14'50" W. Michigan. Coll: Edward Dunster. 13 May 1968.
1639. Vertical #20 net tow. Sta. C-l, 42°49'40" N; 86°14'50" W. Michigan. Coll: Edward Dunster. 27 May 1968.
1640. Vertical #20 net tow. Sta. C-2, 42°49'40" N, 86°18'25" W. Michigan. Coll: Edward Dunster. 13 May 1968.
1641. Vertical #20 net tow. Sta. C-2, 42°49'40" N; 86°18'25" W. Michigan. Coll: Edward Dunster. 27 May 1968.
1642. Vertical #20 net tow. Sta. C-3, 42°49'10" N; 86°28'25" W. Michigan. Coll: Edward Dunster. 13 May 1968.
1643. Vertical #20 net tow. Sta. C-3, 42°49'10" N; 86°28'25" W. Michigan. Coll: Edward Dunster. 27 May 1968.
1644. Vertical #20 net tow. Sta. C-4, 42°48'50" N: 86°41'30" W. Michigan. Coll: Edward Dunster. 13 May 1968.
1645. Vertical #20 net tow. Sta. C-5, 42°49'00" N; 86°50'00" W. Michigan. Coll: Edward Dunster. 13 May 1968.
1646. Vertical #20 net tow. Sta. C-5, 42°49'00" N; 86°50'00" W. Michigan. Coll: Edward Dunster. 27 May 1968.
1647. Vertical #20 net tow. Sta. C-6, 42°47'40" N; 87°26'50" W. Michigan. Coll: Edward Dunster. 14 May 1968.
1648. Vertical #20 net tow. Sta. C-6, 42°47'40" N; 87°26'50" W. Michigan. Coll: Edward Dunster. 27 May 1968.
1649. Vertical #20 net tow. Sta. C-7, 42°47'30" N; 87°34'30" W. Michigan. Coll: Edward Dunster. 14 May 1968.
1650. Vertical #20 net tow. Sta. C-7, 42°47'30" N; 87°34'30" W. Michigan. Coll: Edward Dunster. 27 May 1968.